The rest of the set_nameidata() callers treat IS_ERR(pathname) as "bail out immediately with PTR_ERR(pathname) as error". Makes life simpler for callers; do_filp_open() is the only exception and its callers would also benefit from such calling conventions change. Signed-off-by: Al Viro --- fs/namei.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/namei.c b/fs/namei.c index 8f26e91de906..c8410dc6c0c6 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -4862,6 +4862,8 @@ struct file *do_filp_open(int dfd, struct filename *pathname, int flags = op->lookup_flags; struct file *filp; + if (IS_ERR(pathname)) + return ERR_CAST(pathname); set_nameidata(&nd, dfd, pathname, NULL); filp = path_openat(&nd, op, flags | LOOKUP_RCU); if (unlikely(filp == ERR_PTR(-ECHILD))) -- 2.47.3