From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp

---
 kernel/drivers/net/sb1000.c |   26 +++++++++++---------------
 1 files changed, 11 insertions(+), 15 deletions(-)

diff --git a/kernel/drivers/net/sb1000.c b/kernel/drivers/net/sb1000.c
index 7820fce..e88af97 100644
--- a/kernel/drivers/net/sb1000.c
+++ b/kernel/drivers/net/sb1000.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /* sb1000.c: A General Instruments SB1000 driver for linux. */
 /*
 	Written 1998 by Franco Venturi.
@@ -11,11 +12,6 @@
 
 	The author may be reached as fventuri@mediaone.net
 
-	This program is free software; you can redistribute it
-	and/or  modify it under  the terms of  the GNU General
-	Public  License as  published  by  the  Free  Software
-	Foundation;  either  version 2 of the License, or  (at
-	your option) any later version.
 
 	Changes:
 
@@ -316,7 +312,7 @@
 card_send_command(const int ioaddr[], const char* name,
 	const unsigned char out[], unsigned char in[])
 {
-	int status, x;
+	int status;
 
 	if ((status = card_wait_for_busy_clear(ioaddr, name)))
 		return status;
@@ -345,9 +341,7 @@
 				out[0], out[1], out[2], out[3], out[4], out[5]);
 	}
 
-	if (out[1] == 0x1b) {
-		x = (out[2] == 0x02);
-	} else {
+	if (out[1] != 0x1b) {
 		if (out[0] >= 0x80 && in[0] != (out[1] | 0x80))
 			return -EIO;
 	}
@@ -490,14 +484,13 @@
 	static const unsigned char Command0[6] = {0x80, 0x1f, 0x00, 0x00, 0x00, 0x00};
 
 	unsigned char st[7];
-	int crc, status;
+	int status;
 
 	/* check CRC */
 	if ((status = card_send_command(ioaddr, name, Command0, st)))
 		return status;
 	if (st[1] != st[3] || st[2] != st[4])
 		return -EIO;
-	crc = st[1] << 8 | st[2];
 	return 0;
 }
 
@@ -535,17 +528,20 @@
 	int status;
 
 	ssleep(1);
-	if ((status = card_send_command(ioaddr, name, Command0, st)))
+	status = card_send_command(ioaddr, name, Command0, st);
+	if (status)
 		return status;
-	if ((status = card_send_command(ioaddr, name, Command1, st)))
+	status = card_send_command(ioaddr, name, Command1, st);
+	if (status)
 		return status;
 	if (st[3] != 0xf1) {
-    	if ((status = sb1000_start_get_set_command(ioaddr, name)))
+		status = sb1000_start_get_set_command(ioaddr, name);
+		if (status)
 			return status;
 		return -EIO;
 	}
 	udelay(1000);
-    return sb1000_start_get_set_command(ioaddr, name);
+	return sb1000_start_get_set_command(ioaddr, name);
 }
 
 /* get SB1000 firmware version */

--
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