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authorJianpeng Ma <majianpeng@gmail.com>2012-10-11 13:45:36 +1100
committerNeilBrown <neilb@suse.de>2012-10-11 13:45:36 +1100
commit582e2e056a5c3410174c23f5134e6b00e0db9101 (patch)
treed80d1dfbd6781453d78a7394bcdec80249c61a72 /drivers/md/bitmap.c
parent7ad4d4a68a1a19f21c7b39cb3f51bf17fba6e3d0 (diff)
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md/bitmap:Don't use IS_ERR to judge alloc_page().
Signed-off-by: Jianpeng Ma <majianpeng@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/bitmap.c')
-rw-r--r--drivers/md/bitmap.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index df73375..7155945 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -470,14 +470,10 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap)
{
bitmap_super_t *sb;
unsigned long chunksize, daemon_sleep, write_behind;
- int err = -EINVAL;
bitmap->storage.sb_page = alloc_page(GFP_KERNEL);
- if (IS_ERR(bitmap->storage.sb_page)) {
- err = PTR_ERR(bitmap->storage.sb_page);
- bitmap->storage.sb_page = NULL;
- return err;
- }
+ if (bitmap->storage.sb_page == NULL)
+ return -ENOMEM;
bitmap->storage.sb_page->index = 0;
sb = kmap_atomic(bitmap->storage.sb_page);