smb: client: Return a status code only as a constant in sid_to_id()

Return a status code without storing it in an intermediate variable.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: elfring

fs/smb/client/cifsacl.c

@@ -339,7 +339,6 @@ int
 sid_to_id(struct cifs_sb_info *cifs_sb, struct smb_sid *psid,
 		struct cifs_fattr *fattr, uint sidtype)
 {
-	int rc = 0;
 	struct key *sidkey;
 	char *sidstr;
 	const struct cred *saved_cred;
@@ -446,12 +445,12 @@ sid_to_id(struct cifs_sb_info *cifs_sb, struct smb_sid *psid,
 	 * fails then we just fall back to using the ctx->linux_uid/linux_gid.
 	 */
 got_valid_id:
-	rc = 0;
 	if (sidtype == SIDOWNER)
 		fattr->cf_uid = fuid;
 	else
 		fattr->cf_gid = fgid;
-	return rc;
+
+	return 0;
 }
 
 int