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-rw-r--r--drivers/block/rsxx/core.c81
-rw-r--r--drivers/bluetooth/hci_vhci.c22
-rw-r--r--drivers/char/mem.c56
-rw-r--r--drivers/dma-buf/dma-buf.c2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_nvif.c4
-rw-r--r--drivers/gpu/drm/nouveau/nvif/driver.h4
-rw-r--r--drivers/gpu/drm/nouveau/nvif/object.h6
-rw-r--r--drivers/infiniband/hw/ipath/ipath_fs.c1
-rw-r--r--drivers/infiniband/hw/qib/qib_fs.c1
-rw-r--r--drivers/misc/carma/carma-fpga-program.c30
-rw-r--r--drivers/net/ppp/ppp_generic.c2
-rw-r--r--drivers/s390/char/vmlogrdr.c1
-rw-r--r--drivers/staging/android/ashmem.c2
-rw-r--r--drivers/staging/android/ion/compat_ion.c2
-rw-r--r--drivers/staging/android/logger.c103
-rw-r--r--drivers/staging/vme/devices/vme_user.c28
-rw-r--r--drivers/usb/gadget/function/f_fs.c24
-rw-r--r--drivers/usb/gadget/legacy/inode.c26
18 files changed, 100 insertions, 295 deletions
diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c
index 820b4009d5f..3265ce94d28 100644
--- a/drivers/block/rsxx/core.c
+++ b/drivers/block/rsxx/core.c
@@ -62,12 +62,6 @@ static DEFINE_SPINLOCK(rsxx_ida_lock);
/* --------------------Debugfs Setup ------------------- */
-struct rsxx_cram {
- u32 f_pos;
- u32 offset;
- void *i_private;
-};
-
static int rsxx_attr_pci_regs_show(struct seq_file *m, void *p)
{
struct rsxx_cardinfo *card = m->private;
@@ -184,93 +178,50 @@ static int rsxx_attr_pci_regs_open(struct inode *inode, struct file *file)
static ssize_t rsxx_cram_read(struct file *fp, char __user *ubuf,
size_t cnt, loff_t *ppos)
{
- struct rsxx_cram *info = fp->private_data;
- struct rsxx_cardinfo *card = info->i_private;
+ struct rsxx_cardinfo *card = file_inode(fp)->i_private;
char *buf;
- int st;
+ ssize_t st;
- buf = kzalloc(sizeof(*buf) * cnt, GFP_KERNEL);
+ buf = kzalloc(cnt, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- info->f_pos = (u32)*ppos + info->offset;
-
- st = rsxx_creg_read(card, CREG_ADD_CRAM + info->f_pos, cnt, buf, 1);
- if (st)
- return st;
-
- st = copy_to_user(ubuf, buf, cnt);
+ st = rsxx_creg_read(card, CREG_ADD_CRAM + (u32)*ppos, cnt, buf, 1);
+ if (!st)
+ st = copy_to_user(ubuf, buf, cnt);
+ kfree(buf);
if (st)
return st;
-
- info->offset += cnt;
-
- kfree(buf);
-
+ *ppos += cnt;
return cnt;
}
static ssize_t rsxx_cram_write(struct file *fp, const char __user *ubuf,
size_t cnt, loff_t *ppos)
{
- struct rsxx_cram *info = fp->private_data;
- struct rsxx_cardinfo *card = info->i_private;
+ struct rsxx_cardinfo *card = file_inode(fp)->i_private;
char *buf;
- int st;
+ ssize_t st;
- buf = kzalloc(sizeof(*buf) * cnt, GFP_KERNEL);
+ buf = kzalloc(cnt, GFP_KERNEL);
if (!buf)
return -ENOMEM;
st = copy_from_user(buf, ubuf, cnt);
+ if (!st)
+ st = rsxx_creg_write(card, CREG_ADD_CRAM + (u32)*ppos, cnt,
+ buf, 1);
+ kfree(buf);
if (st)
return st;
-
- info->f_pos = (u32)*ppos + info->offset;
-
- st = rsxx_creg_write(card, CREG_ADD_CRAM + info->f_pos, cnt, buf, 1);
- if (st)
- return st;
-
- info->offset += cnt;
-
- kfree(buf);
-
+ *ppos += cnt;
return cnt;
}
-static int rsxx_cram_open(struct inode *inode, struct file *file)
-{
- struct rsxx_cram *info = kzalloc(sizeof(*info), GFP_KERNEL);
- if (!info)
- return -ENOMEM;
-
- info->i_private = inode->i_private;
- info->f_pos = file->f_pos;
- file->private_data = info;
-
- return 0;
-}
-
-static int rsxx_cram_release(struct inode *inode, struct file *file)
-{
- struct rsxx_cram *info = file->private_data;
-
- if (!info)
- return 0;
-
- kfree(info);
- file->private_data = NULL;
-
- return 0;
-}
-
static const struct file_operations debugfs_cram_fops = {
.owner = THIS_MODULE,
- .open = rsxx_cram_open,
.read = rsxx_cram_read,
.write = rsxx_cram_write,
- .release = rsxx_cram_release,
};
static const struct file_operations debugfs_stats_fops = {
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 5bb5872ffee..6653473f275 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -160,13 +160,11 @@ static int vhci_create_device(struct vhci_data *data, __u8 opcode)
}
static inline ssize_t vhci_get_user(struct vhci_data *data,
- const struct iovec *iov,
- unsigned long count)
+ struct iov_iter *from)
{
- size_t len = iov_length(iov, count);
+ size_t len = iov_iter_count(from);
struct sk_buff *skb;
__u8 pkt_type, opcode;
- unsigned long i;
int ret;
if (len < 2 || len > HCI_MAX_FRAME_SIZE)
@@ -176,12 +174,9 @@ static inline ssize_t vhci_get_user(struct vhci_data *data,
if (!skb)
return -ENOMEM;
- for (i = 0; i < count; i++) {
- if (copy_from_user(skb_put(skb, iov[i].iov_len),
- iov[i].iov_base, iov[i].iov_len)) {
- kfree_skb(skb);
- return -EFAULT;
- }
+ if (copy_from_iter(skb_put(skb, len), len, from) != len) {
+ kfree_skb(skb);
+ return -EFAULT;
}
pkt_type = *((__u8 *) skb->data);
@@ -294,13 +289,12 @@ static ssize_t vhci_read(struct file *file,
return ret;
}
-static ssize_t vhci_write(struct kiocb *iocb, const struct iovec *iov,
- unsigned long count, loff_t pos)
+static ssize_t vhci_write(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct vhci_data *data = file->private_data;
- return vhci_get_user(data, iov, count);
+ return vhci_get_user(data, from);
}
static unsigned int vhci_poll(struct file *file, poll_table *wait)
@@ -365,7 +359,7 @@ static int vhci_release(struct inode *inode, struct file *file)
static const struct file_operations vhci_fops = {
.owner = THIS_MODULE,
.read = vhci_read,
- .aio_write = vhci_write,
+ .write_iter = vhci_write,
.poll = vhci_poll,
.open = vhci_open,
.release = vhci_release,
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 917403fe10d..524b707894e 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -622,53 +622,23 @@ static ssize_t splice_write_null(struct pipe_inode_info *pipe, struct file *out,
return splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_null);
}
-static ssize_t read_zero(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
+static ssize_t read_iter_zero(struct kiocb *iocb, struct iov_iter *iter)
{
- size_t written;
-
- if (!count)
- return 0;
-
- if (!access_ok(VERIFY_WRITE, buf, count))
- return -EFAULT;
-
- written = 0;
- while (count) {
- unsigned long unwritten;
- size_t chunk = count;
+ size_t written = 0;
+ while (iov_iter_count(iter)) {
+ size_t chunk = iov_iter_count(iter), n;
if (chunk > PAGE_SIZE)
chunk = PAGE_SIZE; /* Just for latency reasons */
- unwritten = __clear_user(buf, chunk);
- written += chunk - unwritten;
- if (unwritten)
- break;
+ n = iov_iter_zero(chunk, iter);
+ if (!n && iov_iter_count(iter))
+ return written ? written : -EFAULT;
+ written += n;
if (signal_pending(current))
return written ? written : -ERESTARTSYS;
- buf += chunk;
- count -= chunk;
cond_resched();
}
- return written ? written : -EFAULT;
-}
-
-static ssize_t aio_read_zero(struct kiocb *iocb, const struct iovec *iov,
- unsigned long nr_segs, loff_t pos)
-{
- size_t written = 0;
- unsigned long i;
- ssize_t ret;
-
- for (i = 0; i < nr_segs; i++) {
- ret = read_zero(iocb->ki_filp, iov[i].iov_base, iov[i].iov_len,
- &pos);
- if (ret < 0)
- break;
- written += ret;
- }
-
- return written ? written : -EFAULT;
+ return written;
}
static int mmap_zero(struct file *file, struct vm_area_struct *vma)
@@ -738,7 +708,6 @@ static int open_port(struct inode *inode, struct file *filp)
#define zero_lseek null_lseek
#define full_lseek null_lseek
#define write_zero write_null
-#define read_full read_zero
#define aio_write_zero aio_write_null
#define open_mem open_port
#define open_kmem open_mem
@@ -783,9 +752,9 @@ static const struct file_operations port_fops = {
static const struct file_operations zero_fops = {
.llseek = zero_lseek,
- .read = read_zero,
+ .read = new_sync_read,
.write = write_zero,
- .aio_read = aio_read_zero,
+ .read_iter = read_iter_zero,
.aio_write = aio_write_zero,
.mmap = mmap_zero,
};
@@ -802,7 +771,8 @@ static struct backing_dev_info zero_bdi = {
static const struct file_operations full_fops = {
.llseek = full_lseek,
- .read = read_full,
+ .read = new_sync_read,
+ .read_iter = read_iter_zero,
.write = write_full,
};
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index f3014c448e1..5be225c2ba9 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -799,7 +799,7 @@ static int dma_buf_describe(struct seq_file *s)
seq_printf(s, "%08zu\t%08x\t%08x\t%08ld\t%s\n",
buf_obj->size,
buf_obj->file->f_flags, buf_obj->file->f_mode,
- (long)(buf_obj->file->f_count.counter),
+ file_count(buf_obj->file),
buf_obj->exp_name);
seq_puts(s, "\tAttached Devices:\n");
diff --git a/drivers/gpu/drm/nouveau/nouveau_nvif.c b/drivers/gpu/drm/nouveau/nouveau_nvif.c
index 47ca8862375..6544b84f030 100644
--- a/drivers/gpu/drm/nouveau/nouveau_nvif.c
+++ b/drivers/gpu/drm/nouveau/nouveau_nvif.c
@@ -40,12 +40,12 @@
#include "nouveau_usif.h"
static void
-nvkm_client_unmap(void *priv, void *ptr, u32 size)
+nvkm_client_unmap(void *priv, void __iomem *ptr, u32 size)
{
iounmap(ptr);
}
-static void *
+static void __iomem *
nvkm_client_map(void *priv, u64 handle, u32 size)
{
return ioremap(handle, size);
diff --git a/drivers/gpu/drm/nouveau/nvif/driver.h b/drivers/gpu/drm/nouveau/nvif/driver.h
index b72a8f0c275..ac4bdb3ea50 100644
--- a/drivers/gpu/drm/nouveau/nvif/driver.h
+++ b/drivers/gpu/drm/nouveau/nvif/driver.h
@@ -9,8 +9,8 @@ struct nvif_driver {
int (*suspend)(void *priv);
int (*resume)(void *priv);
int (*ioctl)(void *priv, bool super, void *data, u32 size, void **hack);
- void *(*map)(void *priv, u64 handle, u32 size);
- void (*unmap)(void *priv, void *ptr, u32 size);
+ void __iomem *(*map)(void *priv, u64 handle, u32 size);
+ void (*unmap)(void *priv, void __iomem *ptr, u32 size);
bool keep;
};
diff --git a/drivers/gpu/drm/nouveau/nvif/object.h b/drivers/gpu/drm/nouveau/nvif/object.h
index fac3a3bbec4..fe519179b76 100644
--- a/drivers/gpu/drm/nouveau/nvif/object.h
+++ b/drivers/gpu/drm/nouveau/nvif/object.h
@@ -14,7 +14,7 @@ struct nvif_object {
void *priv; /*XXX: hack */
void (*dtor)(struct nvif_object *);
struct {
- void *ptr;
+ void __iomem *ptr;
u32 size;
} map;
};
@@ -42,7 +42,7 @@ void nvif_object_unmap(struct nvif_object *);
struct nvif_object *_object = nvif_object(a); \
u32 _data; \
if (likely(_object->map.ptr)) \
- _data = ioread##b##_native((u8 *)_object->map.ptr + (c)); \
+ _data = ioread##b##_native((u8 __iomem *)_object->map.ptr + (c)); \
else \
_data = nvif_object_rd(_object, (b) / 8, (c)); \
_data; \
@@ -50,7 +50,7 @@ void nvif_object_unmap(struct nvif_object *);
#define nvif_wr(a,b,c,d) ({ \
struct nvif_object *_object = nvif_object(a); \
if (likely(_object->map.ptr)) \
- iowrite##b##_native((d), (u8 *)_object->map.ptr + (c)); \
+ iowrite##b##_native((d), (u8 __iomem *)_object->map.ptr + (c)); \
else \
nvif_object_wr(_object, (b) / 8, (c), (d)); \
})
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index e0c404bdc4a..4977082e081 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -82,7 +82,6 @@ static int create_file(const char *name, umode_t mode,
{
int error;
- *dentry = NULL;
mutex_lock(&parent->d_inode->i_mutex);
*dentry = lookup_one_len(name, parent, strlen(name));
if (!IS_ERR(*dentry))
diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
index cab610ccd50..81854586c08 100644
--- a/drivers/infiniband/hw/qib/qib_fs.c
+++ b/drivers/infiniband/hw/qib/qib_fs.c
@@ -89,7 +89,6 @@ static int create_file(const char *name, umode_t mode,
{
int error;
- *dentry = NULL;
mutex_lock(&parent->d_inode->i_mutex);
*dentry = lookup_one_len(name, parent, strlen(name));
if (!IS_ERR(*dentry))
diff --git a/drivers/misc/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c
index 7be89832db1..7e97e53f9ff 100644
--- a/drivers/misc/carma/carma-fpga-program.c
+++ b/drivers/misc/carma/carma-fpga-program.c
@@ -749,13 +749,8 @@ static ssize_t fpga_read(struct file *filp, char __user *buf, size_t count,
loff_t *f_pos)
{
struct fpga_dev *priv = filp->private_data;
-
- count = min_t(size_t, priv->bytes - *f_pos, count);
- if (copy_to_user(buf, priv->vb.vaddr + *f_pos, count))
- return -EFAULT;
-
- *f_pos += count;
- return count;
+ return simple_read_from_buffer(buf, count, ppos,
+ priv->vb.vaddr, priv->bytes);
}
static loff_t fpga_llseek(struct file *filp, loff_t offset, int origin)
@@ -767,26 +762,7 @@ static loff_t fpga_llseek(struct file *filp, loff_t offset, int origin)
if ((filp->f_flags & O_ACCMODE) != O_RDONLY)
return -EINVAL;
- switch (origin) {
- case SEEK_SET: /* seek relative to the beginning of the file */
- newpos = offset;
- break;
- case SEEK_CUR: /* seek relative to current position in the file */
- newpos = filp->f_pos + offset;
- break;
- case SEEK_END: /* seek relative to the end of the file */
- newpos = priv->fw_size - offset;
- break;
- default:
- return -EINVAL;
- }
-
- /* check for sanity */
- if (newpos > priv->fw_size)
- return -EINVAL;
-
- filp->f_pos = newpos;
- return newpos;
+ return fixed_size_llseek(file, offset, origin, priv->fw_size);
}
static const struct file_operations fpga_fops = {
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 80e6f3430f6..68c3a3f4e0a 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -594,7 +594,7 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if (file == ppp->owner)
ppp_shutdown_interface(ppp);
}
- if (atomic_long_read(&file->f_count) <= 2) {
+ if (atomic_long_read(&file->f_count) < 2) {
ppp_release(NULL, file);
err = 0;
} else
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index a8848db7b09..9bb48d70957 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -338,7 +338,6 @@ static int vmlogrdr_open (struct inode *inode, struct file *filp)
/* set the file options */
filp->private_data = logptr;
- filp->f_op = &vmlogrdr_fops;
/* start recording for this service*/
if (logptr->autorecording) {
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
index 713a9722678..ad4f5790a76 100644
--- a/drivers/staging/android/ashmem.c
+++ b/drivers/staging/android/ashmem.c
@@ -339,7 +339,7 @@ static loff_t ashmem_llseek(struct file *file, loff_t offset, int origin)
goto out;
}
- ret = asma->file->f_op->llseek(asma->file, offset, origin);
+ ret = vfs_llseek(asma->file, offset, origin);
if (ret < 0)
goto out;
diff --git a/drivers/staging/android/ion/compat_ion.c b/drivers/staging/android/ion/compat_ion.c
index ee3a7380e53..a402fdaf54c 100644
--- a/drivers/staging/android/ion/compat_ion.c
+++ b/drivers/staging/android/ion/compat_ion.c
@@ -125,7 +125,7 @@ long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
long ret;
- if (!filp->f_op || !filp->f_op->unlocked_ioctl)
+ if (!filp->f_op->unlocked_ioctl)
return -ENOTTY;
switch (cmd) {
diff --git a/drivers/staging/android/logger.c b/drivers/staging/android/logger.c
index 0bf0d24d12d..28b93d39a94 100644
--- a/drivers/staging/android/logger.c
+++ b/drivers/staging/android/logger.c
@@ -411,69 +411,18 @@ static void fix_up_readers(struct logger_log *log, size_t len)
}
/*
- * do_write_log - writes 'len' bytes from 'buf' to 'log'
- *
- * The caller needs to hold log->mutex.
- */
-static void do_write_log(struct logger_log *log, const void *buf, size_t count)
-{
- size_t len;
-
- len = min(count, log->size - log->w_off);
- memcpy(log->buffer + log->w_off, buf, len);
-
- if (count != len)
- memcpy(log->buffer, buf + len, count - len);
-
- log->w_off = logger_offset(log, log->w_off + count);
-
-}
-
-/*
- * do_write_log_user - writes 'len' bytes from the user-space buffer 'buf' to
- * the log 'log'
- *
- * The caller needs to hold log->mutex.
- *
- * Returns 'count' on success, negative error code on failure.
- */
-static ssize_t do_write_log_from_user(struct logger_log *log,
- const void __user *buf, size_t count)
-{
- size_t len;
-
- len = min(count, log->size - log->w_off);
- if (len && copy_from_user(log->buffer + log->w_off, buf, len))
- return -EFAULT;
-
- if (count != len)
- if (copy_from_user(log->buffer, buf + len, count - len))
- /*
- * Note that by not updating w_off, this abandons the
- * portion of the new entry that *was* successfully
- * copied, just above. This is intentional to avoid
- * message corruption from missing fragments.
- */
- return -EFAULT;
-
- log->w_off = logger_offset(log, log->w_off + count);
-
- return count;
-}
-
-/*
- * logger_aio_write - our write method, implementing support for write(),
+ * logger_write_iter - our write method, implementing support for write(),
* writev(), and aio_write(). Writes are our fast path, and we try to optimize
* them above all else.
*/
-static ssize_t logger_aio_write(struct kiocb *iocb, const struct iovec *iov,
- unsigned long nr_segs, loff_t ppos)
+static ssize_t logger_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
struct logger_log *log = file_get_log(iocb->ki_filp);
- size_t orig;
struct logger_entry header;
struct timespec now;
- ssize_t ret = 0;
+ size_t len, count;
+
+ count = min_t(size_t, iocb->ki_nbytes, LOGGER_ENTRY_MAX_PAYLOAD);
now = current_kernel_time();
@@ -482,7 +431,7 @@ static ssize_t logger_aio_write(struct kiocb *iocb, const struct iovec *iov,
header.sec = now.tv_sec;
header.nsec = now.tv_nsec;
header.euid = current_euid();
- header.len = min_t(size_t, iocb->ki_nbytes, LOGGER_ENTRY_MAX_PAYLOAD);
+ header.len = count;
header.hdr_size = sizeof(struct logger_entry);
/* null writes succeed, return zero */
@@ -491,8 +440,6 @@ static ssize_t logger_aio_write(struct kiocb *iocb, const struct iovec *iov,
mutex_lock(&log->mutex);
- orig = log->w_off;
-
/*
* Fix up any readers, pulling them forward to the first readable
* entry after (what will be) the new write offset. We do this now
@@ -501,33 +448,35 @@ static ssize_t logger_aio_write(struct kiocb *iocb, const struct iovec *iov,
*/
fix_up_readers(log, sizeof(struct logger_entry) + header.len);
- do_write_log(log, &header, sizeof(struct logger_entry));
-
- while (nr_segs-- > 0) {
- size_t len;
- ssize_t nr;
+ len = min(sizeof(header), log->size - log->w_off);
+ memcpy(log->buffer + log->w_off, &header, len);
+ memcpy(log->buffer, (char *)&header + len, sizeof(header) - len);
- /* figure out how much of this vector we can keep */
- len = min_t(size_t, iov->iov_len, header.len - ret);
+ len = min(count, log->size - log->w_off);
- /* write out this segment's payload */
- nr = do_write_log_from_user(log, iov->iov_base, len);
- if (unlikely(nr < 0)) {
- log->w_off = orig;
- mutex_unlock(&log->mutex);
- return nr;
- }
+ if (copy_from_iter(log->buffer + log->w_off, len, from) != len) {
+ /*
+ * Note that by not updating w_off, this abandons the
+ * portion of the new entry that *was* successfully
+ * copied, just above. This is intentional to avoid
+ * message corruption from missing fragments.
+ */
+ mutex_unlock(&log->mutex);
+ return -EFAULT;
+ }
- iov++;
- ret += nr;
+ if (copy_from_iter(log->buffer, count - len, from) != count - len) {
+ mutex_unlock(&log->mutex);
+ return -EFAULT;
}
+ log->w_off = logger_offset(log, log->w_off + count);
mutex_unlock(&log->mutex);
/* wake up any blocked readers */
wake_up_interruptible(&log->wq);
- return ret;
+ return len;
}
static struct logger_log *get_log_from_minor(int minor)
@@ -736,7 +685,7 @@ static long logger_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
static const struct file_operations logger_fops = {
.owner = THIS_MODULE,
.read = logger_read,
- .aio_write = logger_aio_write,
+ .write_iter = logger_write_iter,
.poll = logger_poll,
.unlocked_ioctl = logger_ioctl,
.compat_ioctl = logger_ioctl,
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index 73cec14cbf5..8b1f5333143 100644
--- a/drivers/staging/vme/devices/vme_user.c
+++ b/drivers/staging/vme/devices/vme_user.c
@@ -410,41 +410,19 @@ static ssize_t vme_user_write(struct file *file, const char __user *buf,
static loff_t vme_user_llseek(struct file *file, loff_t off, int whence)
{
- loff_t absolute = -1;
unsigned int minor = MINOR(file_inode(file)->i_rdev);
size_t image_size;
+ loff_t res;
if (minor == CONTROL_MINOR)
return -EINVAL;
mutex_lock(&image[minor].mutex);
image_size = vme_get_size(image[minor].resource);
-
- switch (whence) {
- case SEEK_SET:
- absolute = off;
- break;
- case SEEK_CUR:
- absolute = file->f_pos + off;
- break;
- case SEEK_END:
- absolute = image_size + off;
- break;
- default:
- mutex_unlock(&image[minor].mutex);
- return -EINVAL;
- }
-
- if ((absolute < 0) || (absolute >= image_size)) {
- mutex_unlock(&image[minor].mutex);
- return -EINVAL;
- }
-
- file->f_pos = absolute;
-
+ res = fixed_size_llseek(file, off, whence, image_size);
mutex_unlock(&image[minor].mutex);
- return absolute;
+ return res;
}
/*
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 4ad11e03cf5..7c6771d027a 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -164,10 +164,9 @@ struct ffs_desc_helper {
static int __must_check ffs_epfiles_create(struct ffs_data *ffs);
static void ffs_epfiles_destroy(struct ffs_epfile *epfiles, unsigned count);
-static struct inode *__must_check
+static struct dentry *
ffs_sb_create_file(struct super_block *sb, const char *name, void *data,
- const struct file_operations *fops,
- struct dentry **dentry_p);
+ const struct file_operations *fops);
/* Devices management *******************************************************/
@@ -1119,10 +1118,9 @@ ffs_sb_make_inode(struct super_block *sb, void *data,
}
/* Create "regular" file */
-static struct inode *ffs_sb_create_file(struct super_block *sb,
+static struct dentry *ffs_sb_create_file(struct super_block *sb,
const char *name, void *data,
- const struct file_operations *fops,
- struct dentry **dentry_p)
+ const struct file_operations *fops)
{
struct ffs_data *ffs = sb->s_fs_info;
struct dentry *dentry;
@@ -1141,10 +1139,7 @@ static struct inode *ffs_sb_create_file(struct super_block *sb,
}
d_add(dentry, inode);
- if (dentry_p)
- *dentry_p = dentry;
-
- return inode;
+ return dentry;
}
/* Super block */
@@ -1189,7 +1184,7 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent)
/* EP0 file */
if (unlikely(!ffs_sb_create_file(sb, "ep0", ffs,
- &ffs_ep0_operations, NULL)))
+ &ffs_ep0_operations)))
return -ENOMEM;
return 0;
@@ -1561,9 +1556,10 @@ static int ffs_epfiles_create(struct ffs_data *ffs)
sprintf(epfiles->name, "ep%02x", ffs->eps_addrmap[i]);
else
sprintf(epfiles->name, "ep%u", i);
- if (!unlikely(ffs_sb_create_file(ffs->sb, epfiles->name, epfile,
- &ffs_epfile_operations,
- &epfile->dentry))) {
+ epfile->dentry = ffs_sb_create_file(ffs->sb, epfiles->name,
+ epfile,
+ &ffs_epfile_operations);
+ if (unlikely(!epfile->dentry)) {
ffs_epfiles_destroy(epfiles, i - 1);
return -ENOMEM;
}
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index edefec2cc58..c744e4975d7 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -198,7 +198,6 @@ struct ep_data {
struct list_head epfiles;
wait_queue_head_t wait;
struct dentry *dentry;
- struct inode *inode;
};
static inline void get_ep (struct ep_data *data)
@@ -1618,10 +1617,9 @@ static void destroy_ep_files (struct dev_data *dev)
}
-static struct inode *
+static struct dentry *
gadgetfs_create_file (struct super_block *sb, char const *name,
- void *data, const struct file_operations *fops,
- struct dentry **dentry_p);
+ void *data, const struct file_operations *fops);
static int activate_ep_files (struct dev_data *dev)
{
@@ -1649,10 +1647,9 @@ static int activate_ep_files (struct dev_data *dev)
if (!data->req)
goto enomem1;
- data->inode = gadgetfs_create_file (dev->sb, data->name,
- data, &ep_config_operations,
- &data->dentry);
- if (!data->inode)
+ data->dentry = gadgetfs_create_file (dev->sb, data->name,
+ data, &ep_config_operations);
+ if (!data->dentry)
goto enomem2;
list_add_tail (&data->epfiles, &dev->epfiles);
}
@@ -2012,10 +2009,9 @@ gadgetfs_make_inode (struct super_block *sb,
/* creates in fs root directory, so non-renamable and non-linkable.
* so inode and dentry are paired, until device reconfig.
*/
-static struct inode *
+static struct dentry *
gadgetfs_create_file (struct super_block *sb, char const *name,
- void *data, const struct file_operations *fops,
- struct dentry **dentry_p)
+ void *data, const struct file_operations *fops)
{
struct dentry *dentry;
struct inode *inode;
@@ -2031,8 +2027,7 @@ gadgetfs_create_file (struct super_block *sb, char const *name,
return NULL;
}
d_add (dentry, inode);
- *dentry_p = dentry;
- return inode;
+ return dentry;
}
static const struct super_operations gadget_fs_operations = {
@@ -2080,9 +2075,8 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent)
goto Enomem;
dev->sb = sb;
- if (!gadgetfs_create_file (sb, CHIP,
- dev, &dev_init_operations,
- &dev->dentry)) {
+ dev->dentry = gadgetfs_create_file(sb, CHIP, dev, &dev_init_operations);
+ if (!dev->dentry) {
put_dev(dev);
goto Enomem;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 08:54:30 +0000