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| author | Dmitry Torokhov <dtor@insightbb.com> | 2006-12-08 01:07:56 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor@insightbb.com> | 2006-12-08 01:07:56 -0500 |
| commit | bef986502fa398b1785a3979b1aa17cd902d3527 (patch) | |
| tree | b59c1afe7b1dfcc001b86e54863f550d7ddc8c34 /mm/vmalloc.c | |
| parent | 4bdbd2807deeccc0793d57fb5120d7a53f2c0b3c (diff) | |
| parent | c99767974ebd2a719d849fdeaaa1674456f5283f (diff) | |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/usb/input/hid.h
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 46606c133e8..86897ee792d 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -181,16 +181,13 @@ static struct vm_struct *__get_vm_area_node(unsigned long size, unsigned long fl } addr = ALIGN(start, align); size = PAGE_ALIGN(size); + if (unlikely(!size)) + return NULL; area = kmalloc_node(sizeof(*area), gfp_mask & GFP_LEVEL_MASK, node); if (unlikely(!area)) return NULL; - if (unlikely(!size)) { - kfree (area); - return NULL; - } - /* * We always allocate a guard page. */ @@ -532,11 +529,12 @@ void *vmalloc_user(unsigned long size) void *ret; ret = __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL); - write_lock(&vmlist_lock); - area = __find_vm_area(ret); - area->flags |= VM_USERMAP; - write_unlock(&vmlist_lock); - + if (ret) { + write_lock(&vmlist_lock); + area = __find_vm_area(ret); + area->flags |= VM_USERMAP; + write_unlock(&vmlist_lock); + } return ret; } EXPORT_SYMBOL(vmalloc_user); @@ -605,11 +603,12 @@ void *vmalloc_32_user(unsigned long size) void *ret; ret = __vmalloc(size, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL); - write_lock(&vmlist_lock); - area = __find_vm_area(ret); - area->flags |= VM_USERMAP; - write_unlock(&vmlist_lock); - + if (ret) { + write_lock(&vmlist_lock); + area = __find_vm_area(ret); + area->flags |= VM_USERMAP; + write_unlock(&vmlist_lock); + } return ret; } EXPORT_SYMBOL(vmalloc_32_user); |