If ->follow_link handler return the error, it should decrement
nd->path refcnt. But, ocfs2_fast_follow_link() doesn't decrement.
This patch fix it by using usual nd_set_link() style error handling,
instead of playing with nd->path.
Signed-off-by: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/symlink.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff -puN fs/ocfs2/symlink.c~namei-ocfs2-follow_link-fix fs/ocfs2/symlink.c
--- linux-2.6/fs/ocfs2/symlink.c~namei-ocfs2-follow_link-fix 2010-01-12 00:15:14.000000000 +0900
+++ linux-2.6-hirofumi/fs/ocfs2/symlink.c 2010-01-12 00:15:14.000000000 +0900
@@ -137,20 +137,20 @@ static void *ocfs2_fast_follow_link(stru
}
memcpy(link, target, len);
- nd_set_link(nd, link);
bail:
+ nd_set_link(nd, status ? ERR_PTR(status) : link);
brelse(bh);
mlog_exit(status);
- return status ? ERR_PTR(status) : link;
+ return NULL;
}
static void ocfs2_fast_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie)
{
- char *link = cookie;
-
- kfree(link);
+ char *link = nd_get_link(nd);
+ if (!IS_ERR(link))
+ kfree(link);
}
const struct inode_operations ocfs2_symlink_inode_operations = {
_
--
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
--
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