]> git.proxmox.com Git - mirror_ubuntu-disco-kernel.git/commitdiff
vfs: don't BUG_ON() if following a /proc fd pseudo-symlink results in a symlink
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 8 Mar 2013 17:03:07 +0000 (09:03 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 8 Mar 2013 17:03:07 +0000 (09:03 -0800)
It's "normal" - it can happen if the file descriptor you followed was
opened with O_NOFOLLOW.

Reported-by: Dave Jones <davej@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/namei.c

index 961bc1268366d80c8b44adf5adc0aec26f59edbd..57ae9c8c66bfc6d98ae96643874710cdc3de321a 100644 (file)
@@ -689,8 +689,6 @@ void nd_jump_link(struct nameidata *nd, struct path *path)
        nd->path = *path;
        nd->inode = nd->path.dentry->d_inode;
        nd->flags |= LOOKUP_JUMPED;
-
-       BUG_ON(nd->inode->i_op->follow_link);
 }
 
 static inline void put_link(struct nameidata *nd, struct path *link, void *cookie)