disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/net/hamradio/baycom_epp.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*****************************************************************************/
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 /*
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@@ -6,24 +7,9 @@
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  *	Copyright (C) 1998-2000
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  *          Thomas Sailer (sailer@ife.ee.ethz.ch)
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  *
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- *	This program is free software; you can redistribute it and/or modify
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- *	it under the terms of the GNU General Public License as published by
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- *	the Free Software Foundation; either version 2 of the License, or
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- *	(at your option) any later version.
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- *
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- *	This program is distributed in the hope that it will be useful,
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- *	but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *	GNU General Public License for more details.
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- *
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- *	You should have received a copy of the GNU General Public License
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- *	along with this program; if not, write to the Free Software
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- *	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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- *
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  *  Please note that the GPL allows you to use the driver, NOT the radio.
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  *  In order to use the radio, you need a license from the communications
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  *  authority of your country.
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- *
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  *
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  *  History:
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  *   0.1  xx.xx.1998  Initial version by Matthias Welwarsky (dg2fef)
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@@ -35,7 +21,6 @@
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  *                    removed some pre-2.2 kernel compatibility cruft
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  *   0.6  10.08.1999  Check if parport can do SPP and is safe to access during interrupt contexts
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  *   0.7  12.02.2000  adapted to softnet driver interface
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- *
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  */
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 /*****************************************************************************/
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@@ -515,8 +500,9 @@
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 				}
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 				break;
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 			}
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+			fallthrough;
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-		default:  /* fall through */
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+		default:
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 			if (bc->hdlctx.calibrate <= 0)
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 				return 0;
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 			i = min_t(int, cnt, bc->hdlctx.calibrate);
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@@ -772,7 +758,7 @@
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  * ===================== network driver interface =========================
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  */
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-static int baycom_send_packet(struct sk_buff *skb, struct net_device *dev)
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+static netdev_tx_t baycom_send_packet(struct sk_buff *skb, struct net_device *dev)
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 {
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 	struct baycom_state *bc = netdev_priv(dev);
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764
 
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@@ -975,8 +961,7 @@
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 	parport_write_control(pp, 0); /* reset the adapter */
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         parport_release(bc->pdev);
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         parport_unregister_device(bc->pdev);
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-	if (bc->skb)
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-		dev_kfree_skb(bc->skb);
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+	dev_kfree_skb(bc->skb);
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 	bc->skb = NULL;
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 	printk(KERN_INFO "%s: close epp at iobase 0x%lx irq %u\n",
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 	       bc_drvname, dev->base_addr, dev->irq);