cifs: Convert struct cifs_sb_info to use kuids and kgids

Cc: Steve French <smfrench@gmail.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 3a00c0d..1b15bf8 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -569,7 +569,7 @@
 backup_cred(struct cifs_sb_info *cifs_sb)
 {
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPUID) {
-		if (cifs_sb->mnt_backupuid == current_fsuid())
+		if (uid_eq(cifs_sb->mnt_backupuid, current_fsuid()))
 			return true;
 	}
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPGID) {