[PATCH 23/79] namei: take O_NOFOLLOW treatment into do_last()

From: Al Viro
Date: Tue May 05 2015 - 01:27:47 EST


From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
fs/namei.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 955dc7f..308f325 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3052,6 +3052,11 @@ finish_lookup:
}
}
BUG_ON(inode != path->dentry->d_inode);
+ if (!(nd->flags & LOOKUP_FOLLOW)) {
+ path_put_conditional(path, nd);
+ path_put(&nd->path);
+ return -ELOOP;
+ }
return 1;
}

@@ -3236,12 +3241,6 @@ static struct file *path_openat(int dfd, struct filename *pathname,
while (unlikely(error > 0)) { /* trailing symlink */
struct path link = path;
void *cookie;
- if (!(nd->flags & LOOKUP_FOLLOW)) {
- path_put_conditional(&path, nd);
- path_put(&nd->path);
- error = -ELOOP;
- break;
- }
error = may_follow_link(&link, nd);
if (unlikely(error))
break;
--
2.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/