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Old 01-11-2010, 05:36 PM
OGAWA Hirofumi
 
Default gfs2: Fix refcnt leak on gfs2_follow_link() error path

If ->follow_link handler return the error, it should decrement
nd->path refcnt.

This patch fix it.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---

fs/gfs2/ops_inode.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff -puN fs/gfs2/ops_inode.c~namei-gfs2-follow_link-fix fs/gfs2/ops_inode.c
--- linux-2.6/fs/gfs2/ops_inode.c~namei-gfs2-follow_link-fix 2010-01-12 00:15:12.000000000 +0900
+++ linux-2.6-hirofumi/fs/gfs2/ops_inode.c 2010-01-12 00:15:12.000000000 +0900
@@ -1086,7 +1086,8 @@ static void *gfs2_follow_link(struct den
error = vfs_follow_link(nd, buf);
if (buf != array)
kfree(buf);
- }
+ } else
+ path_put(&nd->path);

return ERR_PTR(error);
}
_

--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
 

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