enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/media/dvb-core/dvb_ca_en50221.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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  * dvb_ca.c: generic DVB functions for EN50221 CAM interfaces
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  *
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@@ -11,18 +12,6 @@
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  *
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  * Copyright (C) 1999-2002 Ralph  Metzler
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  *                       & Marcus Metzler for convergence integrated media GmbH
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version 2
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- * of the License, or (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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- * To obtain the license, point your browser to
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- * http://www.gnu.org/copyleft/gpl.html
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  */
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 #define pr_fmt(fmt) "dvb_ca_en50221: " fmt
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@@ -1797,15 +1786,14 @@
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 	dprintk("%s\n", __func__);
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+	poll_wait(file, &ca->wait_queue, wait);
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+
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 	if (dvb_ca_en50221_io_read_condition(ca, &result, &slot) == 1)
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 		mask |= EPOLLIN;
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 	/* if there is something, return now */
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 	if (mask)
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 		return mask;
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-
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-	/* wait for something to happen */
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-	poll_wait(file, &ca->wait_queue, wait);
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 	if (dvb_ca_en50221_io_read_condition(ca, &result, &slot) == 1)
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 		mask |= EPOLLIN;