From: Abhi Das <[email protected]> gfs2_lookupi() can return NULL if the path to the root is broken by another rename/rmdir. In this case gfs2_ok_to_move() must check for this NULL pointer and return error.
Resolves: rhbz#1060246 Signed-off-by: Abhi Das <[email protected]> Signed-off-by: Steven Whitehouse <[email protected]> diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index ec455b9..b52ebf8 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -1299,6 +1299,10 @@ static int gfs2_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to) } tmp = gfs2_lookupi(dir, &gfs2_qdotdot, 1); + if (!tmp) { + error = -ENOENT; + break; + } if (IS_ERR(tmp)) { error = PTR_ERR(tmp); break; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
