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authorJaegeuk Kim <jaegeuk@kernel.org>2015-04-22 21:03:48 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2015-05-05 00:15:16 +0300
commit7263b1bd0490fca68ee7eedb0b6973cb86d4701c (patch)
tree176d95bda119fcee53260373869153c800dde8ef /fs/f2fs
parent5463e7c18e51152104aba9614e6abfc039a8b710 (diff)
downloadlinux-7263b1bd0490fca68ee7eedb0b6973cb86d4701c.tar.xz
f2fs: fix wrong error hanlder in f2fs_follow_link
The page_follow_link_light returns NULL and its error pointer was remained in nd->path. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/namei.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 7e3794edae42..658e8079aaf9 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -298,16 +298,14 @@ fail:
static void *f2fs_follow_link(struct dentry *dentry, struct nameidata *nd)
{
- struct page *page;
+ struct page *page = page_follow_link_light(dentry, nd);
- page = page_follow_link_light(dentry, nd);
- if (IS_ERR(page))
+ if (IS_ERR_OR_NULL(page))
return page;
/* this is broken symlink case */
if (*nd_get_link(nd) == 0) {
- kunmap(page);
- page_cache_release(page);
+ page_put_link(dentry, nd, page);
return ERR_PTR(-ENOENT);
}
return page;