diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig | 9 | ||||
| -rw-r--r-- | lib/Kconfig.debug | 9 | ||||
| -rw-r--r-- | lib/Makefile | 7 | ||||
| -rw-r--r-- | lib/bitmap.c | 8 | ||||
| -rw-r--r-- | lib/bust_spinlocks.c | 12 | ||||
| -rw-r--r-- | lib/cmdline.c | 8 | ||||
| -rw-r--r-- | lib/devres.c | 300 | ||||
| -rw-r--r-- | lib/idr.c | 4 | ||||
| -rw-r--r-- | lib/iomap.c | 296 | ||||
| -rw-r--r-- | lib/kobject.c | 5 | ||||
| -rw-r--r-- | lib/sha1.c | 9 | ||||
| -rw-r--r-- | lib/sort.c | 2 | ||||
| -rw-r--r-- | lib/string.c | 8 | ||||
| -rw-r--r-- | lib/textsearch.c | 2 | ||||
| -rw-r--r-- | lib/vsprintf.c | 12 |
15 files changed, 341 insertions, 350 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 9b03581cdec..38424991504 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -101,9 +101,14 @@ config TEXTSEARCH_FSM config PLIST boolean -config IOMAP_COPY +config HAS_IOMEM boolean - depends on !UML + depends on !NO_IOMEM + default y + +config HAS_IOPORT + boolean + depends on HAS_IOMEM && !NO_IOPORT default y endmenu diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 5c2681875b9..356a5ab8279 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -181,19 +181,11 @@ config DEBUG_MUTEXES This feature allows mutex semantics violations to be detected and reported. -config DEBUG_RWSEMS - bool "RW-sem debugging: basic checks" - depends on DEBUG_KERNEL - help - This feature allows read-write semaphore semantics violations to - be detected and reported. - config DEBUG_LOCK_ALLOC bool "Lock debugging: detect incorrect freeing of live locks" depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT select DEBUG_SPINLOCK select DEBUG_MUTEXES - select DEBUG_RWSEMS select LOCKDEP help This feature will check whether any held lock (spinlock, rwlock, @@ -209,7 +201,6 @@ config PROVE_LOCKING select LOCKDEP select DEBUG_SPINLOCK select DEBUG_MUTEXES - select DEBUG_RWSEMS select DEBUG_LOCK_ALLOC default n help diff --git a/lib/Makefile b/lib/Makefile index 3b605da448f..992a39ef9ff 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -3,7 +3,7 @@ # lib-y := ctype.o string.o vsprintf.o cmdline.o \ - bust_spinlocks.o rbtree.o radix-tree.o dump_stack.o \ + rbtree.o radix-tree.o dump_stack.o \ idr.o div64.o int_sqrt.o bitmap.o extable.o prio_tree.o \ sha1.o irq_regs.o reciprocal_div.o @@ -12,14 +12,15 @@ lib-$(CONFIG_SMP) += cpumask.o lib-y += kobject.o kref.o kobject_uevent.o klist.o -obj-y += sort.o parser.o halfmd4.o debug_locks.o random32.o iomap.o +obj-y += sort.o parser.o halfmd4.o debug_locks.o random32.o bust_spinlocks.o ifeq ($(CONFIG_DEBUG_KOBJECT),y) CFLAGS_kobject.o += -DDEBUG CFLAGS_kobject_uevent.o += -DDEBUG endif -obj-$(CONFIG_IOMAP_COPY) += iomap_copy.o +obj-$(CONFIG_GENERIC_IOMAP) += iomap.o +obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o lib-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o diff --git a/lib/bitmap.c b/lib/bitmap.c index 037fa9aa2ed..ee6e58fce8f 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -95,7 +95,7 @@ void __bitmap_complement(unsigned long *dst, const unsigned long *src, int bits) } EXPORT_SYMBOL(__bitmap_complement); -/* +/** * __bitmap_shift_right - logical right shift of the bits in a bitmap * @dst - destination bitmap * @src - source bitmap @@ -139,7 +139,7 @@ void __bitmap_shift_right(unsigned long *dst, EXPORT_SYMBOL(__bitmap_shift_right); -/* +/** * __bitmap_shift_left - logical left shift of the bits in a bitmap * @dst - destination bitmap * @src - source bitmap @@ -529,7 +529,7 @@ int bitmap_parselist(const char *bp, unsigned long *maskp, int nmaskbits) } EXPORT_SYMBOL(bitmap_parselist); -/* +/** * bitmap_pos_to_ord(buf, pos, bits) * @buf: pointer to a bitmap * @pos: a bit position in @buf (0 <= @pos < @bits) @@ -804,7 +804,7 @@ EXPORT_SYMBOL(bitmap_find_free_region); * @pos: beginning of bit region to release * @order: region size (log base 2 of number of bits) to release * - * This is the complement to __bitmap_find_free_region and releases + * This is the complement to __bitmap_find_free_region() and releases * the found region (by clearing it in the bitmap). * * No return value. diff --git a/lib/bust_spinlocks.c b/lib/bust_spinlocks.c index a2055bc3ef6..accb3565816 100644 --- a/lib/bust_spinlocks.c +++ b/lib/bust_spinlocks.c @@ -14,24 +14,16 @@ #include <linux/vt_kern.h> -void bust_spinlocks(int yes) +void __attribute__((weak)) bust_spinlocks(int yes) { if (yes) { oops_in_progress = 1; } else { - int loglevel_save = console_loglevel; #ifdef CONFIG_VT unblank_screen(); #endif oops_in_progress = 0; - /* - * OK, the message is on the console. Now we call printk() - * without oops_in_progress set so that printk() will give klogd - * and the blanked console a poke. Hold onto your hats... - */ - console_loglevel = 15; /* NMI oopser may have shut the console up */ - printk(" "); - console_loglevel = loglevel_save; + wake_up_klogd(); } } diff --git a/lib/cmdline.c b/lib/cmdline.c index 8a5b5303bd4..f596c08d213 100644 --- a/lib/cmdline.c +++ b/lib/cmdline.c @@ -43,10 +43,10 @@ static int get_range(char **str, int *pint) * comma as well. * * Return values: - * 0 : no int in string - * 1 : int found, no subsequent comma - * 2 : int found including a subsequent comma - * 3 : hyphen found to denote a range + * 0 - no int in string + * 1 - int found, no subsequent comma + * 2 - int found including a subsequent comma + * 3 - hyphen found to denote a range */ int get_option (char **str, int *pint) diff --git a/lib/devres.c b/lib/devres.c new file mode 100644 index 00000000000..2a668dd7cac --- /dev/null +++ b/lib/devres.c @@ -0,0 +1,300 @@ +#include <linux/pci.h> +#include <linux/io.h> +#include <linux/module.h> + +static void devm_ioremap_release(struct device *dev, void *res) +{ + iounmap(*(void __iomem **)res); +} + +static int devm_ioremap_match(struct device *dev, void *res, void *match_data) +{ + return *(void **)res == match_data; +} + +/** + * devm_ioremap - Managed ioremap() + * @dev: Generic device to remap IO address for + * @offset: BUS offset to map + * @size: Size of map + * + * Managed ioremap(). Map is automatically unmapped on driver detach. + */ +void __iomem *devm_ioremap(struct device *dev, unsigned long offset, + unsigned long size) +{ + void __iomem **ptr, *addr; + + ptr = devres_alloc(devm_ioremap_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return NULL; + + addr = ioremap(offset, size); + if (addr) { + *ptr = addr; + devres_add(dev, ptr); + } else + devres_free(ptr); + + return addr; +} +EXPORT_SYMBOL(devm_ioremap); + +/** + * devm_ioremap_nocache - Managed ioremap_nocache() + * @dev: Generic device to remap IO address for + * @offset: BUS offset to map + * @size: Size of map + * + * Managed ioremap_nocache(). Map is automatically unmapped on driver + * detach. + */ +void __iomem *devm_ioremap_nocache(struct device *dev, unsigned long offset, + unsigned long size) +{ + void __iomem **ptr, *addr; + + ptr = devres_alloc(devm_ioremap_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return NULL; + + addr = ioremap_nocache(offset, size); + if (addr) { + *ptr = addr; + devres_add(dev, ptr); + } else + devres_free(ptr); + + return addr; +} +EXPORT_SYMBOL(devm_ioremap_nocache); + +/** + * devm_iounmap - Managed iounmap() + * @dev: Generic device to unmap for + * @addr: Address to unmap + * + * Managed iounmap(). @addr must have been mapped using devm_ioremap*(). + */ +void devm_iounmap(struct device *dev, void __iomem *addr) +{ + iounmap(addr); + WARN_ON(devres_destroy(dev, devm_ioremap_release, devm_ioremap_match, + (void *)addr)); +} +EXPORT_SYMBOL(devm_iounmap); + +#ifdef CONFIG_HAS_IOPORT +/* + * Generic iomap devres + */ +static void devm_ioport_map_release(struct device *dev, void *res) +{ + ioport_unmap(*(void __iomem **)res); +} + +static int devm_ioport_map_match(struct device *dev, void *res, + void *match_data) +{ + return *(void **)res == match_data; +} + +/** + * devm_ioport_map - Managed ioport_map() + * @dev: Generic device to map ioport for + * @port: Port to map + * @nr: Number of ports to map + * + * Managed ioport_map(). Map is automatically unmapped on driver + * detach. + */ +void __iomem * devm_ioport_map(struct device *dev, unsigned long port, + unsigned int nr) +{ + void __iomem **ptr, *addr; + + ptr = devres_alloc(devm_ioport_map_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return NULL; + + addr = ioport_map(port, nr); + if (addr) { + *ptr = addr; + devres_add(dev, ptr); + } else + devres_free(ptr); + + return addr; +} +EXPORT_SYMBOL(devm_ioport_map); + +/** + * devm_ioport_unmap - Managed ioport_unmap() + * @dev: Generic device to unmap for + * @addr: Address to unmap + * + * Managed ioport_unmap(). @addr must have been mapped using + * devm_ioport_map(). + */ +void devm_ioport_unmap(struct device *dev, void __iomem *addr) +{ + ioport_unmap(addr); + WARN_ON(devres_destroy(dev, devm_ioport_map_release, + devm_ioport_map_match, (void *)addr)); +} +EXPORT_SYMBOL(devm_ioport_unmap); + +#ifdef CONFIG_PCI +/* + * PCI iomap devres + */ +#define PCIM_IOMAP_MAX PCI_ROM_RESOURCE + +struct pcim_iomap_devres { + void __iomem *table[PCIM_IOMAP_MAX]; +}; + +static void pcim_iomap_release(struct device *gendev, void *res) +{ + struct pci_dev *dev = container_of(gendev, struct pci_dev, dev); + struct pcim_iomap_devres *this = res; + int i; + + for (i = 0; i < PCIM_IOMAP_MAX; i++) + if (this->table[i]) + pci_iounmap(dev, this->table[i]); +} + +/** + * pcim_iomap_table - access iomap allocation table + * @pdev: PCI device to access iomap table for + * + * Access iomap allocation table for @dev. If iomap table doesn't + * exist and @pdev is managed, it will be allocated. All iomaps + * recorded in the iomap table are automatically unmapped on driver + * detach. + * + * This function might sleep when the table is first allocated but can + * be safely called without context and guaranteed to succed once + * allocated. + */ +void __iomem * const * pcim_iomap_table(struct pci_dev *pdev) +{ + struct pcim_iomap_devres *dr, *new_dr; + + dr = devres_find(&pdev->dev, pcim_iomap_release, NULL, NULL); + if (dr) + return dr->table; + + new_dr = devres_alloc(pcim_iomap_release, sizeof(*new_dr), GFP_KERNEL); + if (!new_dr) + return NULL; + dr = devres_get(&pdev->dev, new_dr, NULL, NULL); + return dr->table; +} +EXPORT_SYMBOL(pcim_iomap_table); + +/** + * pcim_iomap - Managed pcim_iomap() + * @pdev: PCI device to iomap for + * @bar: BAR to iomap + * @maxlen: Maximum length of iomap + * + * Managed pci_iomap(). Map is automatically unmapped on driver + * detach. + */ +void __iomem * pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen) +{ + void __iomem **tbl; + + BUG_ON(bar >= PCIM_IOMAP_MAX); + + tbl = (void __iomem **)pcim_iomap_table(pdev); + if (!tbl || tbl[bar]) /* duplicate mappings not allowed */ + return NULL; + + tbl[bar] = pci_iomap(pdev, bar, maxlen); + return tbl[bar]; +} +EXPORT_SYMBOL(pcim_iomap); + +/** + * pcim_iounmap - Managed pci_iounmap() + * @pdev: PCI device to iounmap for + * @addr: Address to unmap + * + * Managed pci_iounmap(). @addr must have been mapped using pcim_iomap(). + */ +void pcim_iounmap(struct pci_dev *pdev, void __iomem *addr) +{ + void __iomem **tbl; + int i; + + pci_iounmap(pdev, addr); + + tbl = (void __iomem **)pcim_iomap_table(pdev); + BUG_ON(!tbl); + + for (i = 0; i < PCIM_IOMAP_MAX; i++) + if (tbl[i] == addr) { + tbl[i] = NULL; + return; + } + WARN_ON(1); +} +EXPORT_SYMBOL(pcim_iounmap); + +/** + * pcim_iomap_regions - Request and iomap PCI BARs + * @pdev: PCI device to map IO resources for + * @mask: Mask of BARs to request and iomap + * @name: Name used when requesting regions + * + * Request and iomap regions specified by @mask. + */ +int pcim_iomap_regions(struct pci_dev *pdev, u16 mask, const char *name) +{ + void __iomem * const *iomap; + int i, rc; + + iomap = pcim_iomap_table(pdev); + if (!iomap) + return -ENOMEM; + + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + unsigned long len; + + if (!(mask & (1 << i))) + continue; + + rc = -EINVAL; + len = pci_resource_len(pdev, i); + if (!len) + goto err_inval; + + rc = pci_request_region(pdev, i, name); + if (rc) + goto err_region; + + rc = -ENOMEM; + if (!pcim_iomap(pdev, i, 0)) + goto err_iomap; + } + + return 0; + + err_iomap: + pcim_iounmap(pdev, iomap[i]); + err_region: + pci_release_region(pdev, i); + err_inval: + while (--i >= 0) { + pcim_iounmap(pdev, iomap[i]); + pci_release_region(pdev, i); + } + + return rc; +} +EXPORT_SYMBOL(pcim_iomap_regions); +#endif +#endif diff --git a/lib/idr.c b/lib/idr.c index 71853531d3b..305117ca2d4 100644 --- a/lib/idr.c +++ b/lib/idr.c @@ -329,8 +329,8 @@ static void sub_remove(struct idr *idp, int shift, int id) /** * idr_remove - remove the given id and free it's slot - * idp: idr handle - * id: uniqueue key + * @idp: idr handle + * @id: unique key */ void idr_remove(struct idr *idp, int id) { diff --git a/lib/iomap.c b/lib/iomap.c index 4990c736bc4..4d43f37c015 100644 --- a/lib/iomap.c +++ b/lib/iomap.c @@ -6,7 +6,6 @@ #include <linux/pci.h> #include <linux/io.h> -#ifdef CONFIG_GENERIC_IOMAP #include <linux/module.h> /* @@ -256,298 +255,3 @@ void pci_iounmap(struct pci_dev *dev, void __iomem * addr) } EXPORT_SYMBOL(pci_iomap); EXPORT_SYMBOL(pci_iounmap); - -#endif /* CONFIG_GENERIC_IOMAP */ - -/* - * Generic iomap devres - */ -static void devm_ioport_map_release(struct device *dev, void *res) -{ - ioport_unmap(*(void __iomem **)res); -} - -static int devm_ioport_map_match(struct device *dev, void *res, - void *match_data) -{ - return *(void **)res == match_data; -} - -/** - * devm_ioport_map - Managed ioport_map() - * @dev: Generic device to map ioport for - * @port: Port to map - * @nr: Number of ports to map - * - * Managed ioport_map(). Map is automatically unmapped on driver - * detach. - */ -void __iomem * devm_ioport_map(struct device *dev, unsigned long port, - unsigned int nr) -{ - void __iomem **ptr, *addr; - - ptr = devres_alloc(devm_ioport_map_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return NULL; - - addr = ioport_map(port, nr); - if (addr) { - *ptr = addr; - devres_add(dev, ptr); - } else - devres_free(ptr); - - return addr; -} -EXPORT_SYMBOL(devm_ioport_map); - -/** - * devm_ioport_unmap - Managed ioport_unmap() - * @dev: Generic device to unmap for - * @addr: Address to unmap - * - * Managed ioport_unmap(). @addr must have been mapped using - * devm_ioport_map(). - */ -void devm_ioport_unmap(struct device *dev, void __iomem *addr) -{ - ioport_unmap(addr); - WARN_ON(devres_destroy(dev, devm_ioport_map_release, - devm_ioport_map_match, (void *)addr)); -} -EXPORT_SYMBOL(devm_ioport_unmap); - -static void devm_ioremap_release(struct device *dev, void *res) -{ - iounmap(*(void __iomem **)res); -} - -static int devm_ioremap_match(struct device *dev, void *res, void *match_data) -{ - return *(void **)res == match_data; -} - -/** - * devm_ioremap - Managed ioremap() - * @dev: Generic device to remap IO address for - * @offset: BUS offset to map - * @size: Size of map - * - * Managed ioremap(). Map is automatically unmapped on driver detach. - */ -void __iomem *devm_ioremap(struct device *dev, unsigned long offset, - unsigned long size) -{ - void __iomem **ptr, *addr; - - ptr = devres_alloc(devm_ioremap_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return NULL; - - addr = ioremap(offset, size); - if (addr) { - *ptr = addr; - devres_add(dev, ptr); - } else - devres_free(ptr); - - return addr; -} -EXPORT_SYMBOL(devm_ioremap); - -/** - * devm_ioremap_nocache - Managed ioremap_nocache() - * @dev: Generic device to remap IO address for - * @offset: BUS offset to map - * @size: Size of map - * - * Managed ioremap_nocache(). Map is automatically unmapped on driver - * detach. - */ -void __iomem *devm_ioremap_nocache(struct device *dev, unsigned long offset, - unsigned long size) -{ - void __iomem **ptr, *addr; - - ptr = devres_alloc(devm_ioremap_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) - return NULL; - - addr = ioremap_nocache(offset, size); - if (addr) { - *ptr = addr; - devres_add(dev, ptr); - } else - devres_free(ptr); - - return addr; -} -EXPORT_SYMBOL(devm_ioremap_nocache); - -/** - * devm_iounmap - Managed iounmap() - * @dev: Generic device to unmap for - * @addr: Address to unmap - * - * Managed iounmap(). @addr must have been mapped using devm_ioremap*(). - */ -void devm_iounmap(struct device *dev, void __iomem *addr) -{ - iounmap(addr); - WARN_ON(devres_destroy(dev, devm_ioremap_release, devm_ioremap_match, - (void *)addr)); -} -EXPORT_SYMBOL(devm_iounmap); - -/* - * PCI iomap devres - */ -#define PCIM_IOMAP_MAX PCI_ROM_RESOURCE - -struct pcim_iomap_devres { - void __iomem *table[PCIM_IOMAP_MAX]; -}; - -static void pcim_iomap_release(struct device *gendev, void *res) -{ - struct pci_dev *dev = container_of(gendev, struct pci_dev, dev); - struct pcim_iomap_devres *this = res; - int i; - - for (i = 0; i < PCIM_IOMAP_MAX; i++) - if (this->table[i]) - pci_iounmap(dev, this->table[i]); -} - -/** - * pcim_iomap_table - access iomap allocation table - * @pdev: PCI device to access iomap table for - * - * Access iomap allocation table for @dev. If iomap table doesn't - * exist and @pdev is managed, it will be allocated. All iomaps - * recorded in the iomap table are automatically unmapped on driver - * detach. - * - * This function might sleep when the table is first allocated but can - * be safely called without context and guaranteed to succed once - * allocated. - */ -void __iomem * const * pcim_iomap_table(struct pci_dev *pdev) -{ - struct pcim_iomap_devres *dr, *new_dr; - - dr = devres_find(&pdev->dev, pcim_iomap_release, NULL, NULL); - if (dr) - return dr->table; - - new_dr = devres_alloc(pcim_iomap_release, sizeof(*new_dr), GFP_KERNEL); - if (!new_dr) - return NULL; - dr = devres_get(&pdev->dev, new_dr, NULL, NULL); - return dr->table; -} -EXPORT_SYMBOL(pcim_iomap_table); - -/** - * pcim_iomap - Managed pcim_iomap() - * @pdev: PCI device to iomap for - * @bar: BAR to iomap - * @maxlen: Maximum length of iomap - * - * Managed pci_iomap(). Map is automatically unmapped on driver - * detach. - */ -void __iomem * pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen) -{ - void __iomem **tbl; - - BUG_ON(bar >= PCIM_IOMAP_MAX); - - tbl = (void __iomem **)pcim_iomap_table(pdev); - if (!tbl || tbl[bar]) /* duplicate mappings not allowed */ - return NULL; - - tbl[bar] = pci_iomap(pdev, bar, maxlen); - return tbl[bar]; -} -EXPORT_SYMBOL(pcim_iomap); - -/** - * pcim_iounmap - Managed pci_iounmap() - * @pdev: PCI device to iounmap for - * @addr: Address to unmap - * - * Managed pci_iounmap(). @addr must have been mapped using pcim_iomap(). - */ -void pcim_iounmap(struct pci_dev *pdev, void __iomem *addr) -{ - void __iomem **tbl; - int i; - - pci_iounmap(pdev, addr); - - tbl = (void __iomem **)pcim_iomap_table(pdev); - BUG_ON(!tbl); - - for (i = 0; i < PCIM_IOMAP_MAX; i++) - if (tbl[i] == addr) { - tbl[i] = NULL; - return; - } - WARN_ON(1); -} -EXPORT_SYMBOL(pcim_iounmap); - -/** - * pcim_iomap_regions - Request and iomap PCI BARs - * @pdev: PCI device to map IO resources for - * @mask: Mask of BARs to request and iomap - * @name: Name used when requesting regions - * - * Request and iomap regions specified by @mask. - */ -int pcim_iomap_regions(struct pci_dev *pdev, u16 mask, const char *name) -{ - void __iomem * const *iomap; - int i, rc; - - iomap = pcim_iomap_table(pdev); - if (!iomap) - return -ENOMEM; - - for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { - unsigned long len; - - if (!(mask & (1 << i))) - continue; - - rc = -EINVAL; - len = pci_resource_len(pdev, i); - if (!len) - goto err_inval; - - rc = pci_request_region(pdev, i, name); - if (rc) - goto err_region; - - rc = -ENOMEM; - if (!pcim_iomap(pdev, i, 0)) - goto err_iomap; - } - - return 0; - - err_iomap: - pcim_iounmap(pdev, iomap[i]); - err_region: - pci_release_region(pdev, i); - err_inval: - while (--i >= 0) { - pcim_iounmap(pdev, iomap[i]); - pci_release_region(pdev, i); - } - - return rc; -} -EXPORT_SYMBOL(pcim_iomap_regions); diff --git a/lib/kobject.c b/lib/kobject.c index c2917ffe8bf..2782f49e906 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -97,11 +97,12 @@ static void fill_kobj_path(struct kobject *kobj, char *path, int length) } /** - * kobject_get_path - generate and return the path associated with a given kobj - * and kset pair. The result must be freed by the caller with kfree(). + * kobject_get_path - generate and return the path associated with a given kobj and kset pair. * * @kobj: kobject in question, with which to build the path * @gfp_mask: the allocation type used to allocate the path + * + * The result must be freed by the caller with kfree(). */ char *kobject_get_path(struct kobject *kobj, gfp_t gfp_mask) { diff --git a/lib/sha1.c b/lib/sha1.c index 1cdabe3065f..4c45fd50e91 100644 --- a/lib/sha1.c +++ b/lib/sha1.c @@ -20,8 +20,8 @@ #define K3 0x8F1BBCDCL /* Rounds 40-59: sqrt(5) * 2^30 */ #define K4 0xCA62C1D6L /* Rounds 60-79: sqrt(10) * 2^30 */ -/* - * sha_transform: single block SHA1 transform +/** + * sha_transform - single block SHA1 transform * * @digest: 160 bit digest to update * @data: 512 bits of data to hash @@ -80,9 +80,8 @@ void sha_transform(__u32 *digest, const char *in, __u32 *W) } EXPORT_SYMBOL(sha_transform); -/* - * sha_init: initialize the vectors for a SHA1 digest - * +/** + * sha_init - initialize the vectors for a SHA1 digest * @buf: vector to initialize */ void sha_init(__u32 *buf) diff --git a/lib/sort.c b/lib/sort.c index 488788b341c..961567894d1 100644 --- a/lib/sort.c +++ b/lib/sort.c @@ -27,7 +27,7 @@ static void generic_swap(void *a, void *b, int size) } while (--size > 0); } -/* +/** * sort - sort an array of elements * @base: pointer to data to sort * @num: number of elements diff --git a/lib/string.c b/lib/string.c index a485d75962a..bab440fb0df 100644 --- a/lib/string.c +++ b/lib/string.c @@ -160,7 +160,7 @@ EXPORT_SYMBOL(strcat); * @src: The string to append to it * @count: The maximum numbers of bytes to copy * - * Note that in contrast to strncpy, strncat ensures the result is + * Note that in contrast to strncpy(), strncat() ensures the result is * terminated. */ char *strncat(char *dest, const char *src, size_t count) @@ -366,8 +366,7 @@ EXPORT_SYMBOL(strnlen); #ifndef __HAVE_ARCH_STRSPN /** - * strspn - Calculate the length of the initial substring of @s which only - * contain letters in @accept + * strspn - Calculate the length of the initial substring of @s which only contain letters in @accept * @s: The string to be searched * @accept: The string to search for */ @@ -394,8 +393,7 @@ EXPORT_SYMBOL(strspn); #ifndef __HAVE_ARCH_STRCSPN /** - * strcspn - Calculate the length of the initial substring of @s which does - * not contain letters in @reject + * strcspn - Calculate the length of the initial substring of @s which does not contain letters in @reject * @s: The string to be searched * @reject: The string to avoid */ diff --git a/lib/textsearch.c b/lib/textsearch.c index 98bcadc0118..9e2a002c5b5 100644 --- a/lib/textsearch.c +++ b/lib/textsearch.c @@ -218,7 +218,7 @@ static unsigned int get_linear_data(unsigned int consumed, const u8 **dst, * Call textsearch_next() to retrieve subsequent matches. * * Returns the position of first occurrence of the pattern or - * UINT_MAX if no occurrence was found. + * %UINT_MAX if no occurrence was found. */ unsigned int textsearch_find_continuous(struct ts_config *conf, struct ts_state *state, diff --git a/lib/vsprintf.c b/lib/vsprintf.c index bed7229378f..44f0e339a94 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -247,12 +247,12 @@ static char * number(char * buf, char * end, unsigned long long num, int base, i * be generated for the given input, excluding the trailing * '\0', as per ISO C99. If you want to have the exact * number of characters written into @buf as return value - * (not including the trailing '\0'), use vscnprintf. If the + * (not including the trailing '\0'), use vscnprintf(). If the * return is greater than or equal to @size, the resulting * string is truncated. * * Call this function if you are already dealing with a va_list. - * You probably want snprintf instead. + * You probably want snprintf() instead. */ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args) { @@ -509,7 +509,7 @@ EXPORT_SYMBOL(vsnprintf); * returns 0. * * Call this function if you are already dealing with a va_list. - * You probably want scnprintf instead. + * You probably want scnprintf() instead. */ int vscnprintf(char *buf, size_t size, const char *fmt, va_list args) { @@ -577,11 +577,11 @@ EXPORT_SYMBOL(scnprintf); * @args: Arguments for the format string * * The function returns the number of characters written - * into @buf. Use vsnprintf or vscnprintf in order to avoid + * into @buf. Use vsnprintf() or vscnprintf() in order to avoid * buffer overflows. * * Call this function if you are already dealing with a va_list. - * You probably want sprintf instead. + * You probably want sprintf() instead. */ int vsprintf(char *buf, const char *fmt, va_list args) { @@ -597,7 +597,7 @@ EXPORT_SYMBOL(vsprintf); * @...: Arguments for the format string * * The function returns the number of characters written - * into @buf. Use snprintf or scnprintf in order to avoid + * into @buf. Use snprintf() or scnprintf() in order to avoid * buffer overflows. */ int sprintf(char * buf, const char *fmt, ...) |