From: Ilya Dryomov <idryomov@gmail.com>
Date: Thu, 17 Sep 2020 16:45:44 +0000 (+0200)
Subject: ceph: mark ceph_fmt_xattr() as printf-like for better type checking
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f6fbdcd997f5d5d0658204ca42abdeced56fd4e5;p=linux.git

ceph: mark ceph_fmt_xattr() as printf-like for better type checking

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---

diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 3a733ac33d9b3..197cb12343414 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -116,7 +116,8 @@ static ssize_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
  * NULL terminates however, so call it on a temporary buffer and then memcpy
  * the result into place.
  */
-static int ceph_fmt_xattr(char *val, size_t size, const char *fmt, ...)
+static __printf(3, 4)
+int ceph_fmt_xattr(char *val, size_t size, const char *fmt, ...)
 {
 	int ret;
 	va_list args;