From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB

---
 kernel/drivers/isdn/mISDN/stack.c |   19 ++++---------------
 1 files changed, 4 insertions(+), 15 deletions(-)

diff --git a/kernel/drivers/isdn/mISDN/stack.c b/kernel/drivers/isdn/mISDN/stack.c
index d97c6dd..c2f76f3 100644
--- a/kernel/drivers/isdn/mISDN/stack.c
+++ b/kernel/drivers/isdn/mISDN/stack.c
@@ -1,18 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *
  * Author	Karsten Keil <kkeil@novell.com>
  *
  * Copyright 2008  by Karsten Keil <kkeil@novell.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  */
 
 #include <linux/slab.h>
@@ -84,8 +75,7 @@
 			cskb = NULL;
 	}
 	read_unlock(&sl->lock);
-	if (cskb)
-		dev_kfree_skb(cskb);
+	dev_kfree_skb(cskb);
 }
 
 static void
@@ -143,8 +133,7 @@
 	}
 out:
 	mutex_unlock(&st->lmutex);
-	if (skb)
-		dev_kfree_skb(skb);
+	dev_kfree_skb(skb);
 }
 
 static inline int
@@ -539,7 +528,7 @@
 		rq.protocol = ISDN_P_NT_S0;
 		if (dev->Dprotocols & (1 << ISDN_P_NT_E1))
 			rq.protocol = ISDN_P_NT_E1;
-		/* fall through */
+		fallthrough;
 	case ISDN_P_LAPD_TE:
 		ch->recv = mISDN_queue_message;
 		ch->peer = &dev->D.st->own;

--
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