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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/char/ttyprintk.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  linux/drivers/char/ttyprintk.c
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  *
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  *  Copyright (C) 2010  Samo Pogacnik
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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 smems of the GNU General Public License as published by
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- * the Free Software Foundation; version 2 of the License.
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  */
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 /*
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@@ -38,6 +35,8 @@
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  */
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 #define TPK_STR_SIZE 508 /* should be bigger then max expected line length */
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 #define TPK_MAX_ROOM 4096 /* we could assume 4K for instance */
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+#define TPK_PREFIX KERN_SOH __stringify(CONFIG_TTY_PRINTK_LEVEL)
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+
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 static int tpk_curr;
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 static char tpk_buffer[TPK_STR_SIZE + 4];
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@@ -46,7 +45,7 @@
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 {
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 	if (tpk_curr > 0) {
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 		tpk_buffer[tpk_curr] = '\0';
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-		pr_info("[U] %s\n", tpk_buffer);
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+		printk(TPK_PREFIX "[U] %s\n", tpk_buffer);
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 		tpk_curr = 0;
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 	}
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 }
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@@ -184,7 +183,7 @@
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 static int __init ttyprintk_init(void)
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 {
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-	int ret = -ENOMEM;
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+	int ret;
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 	spin_lock_init(&tpk_port.spinlock);
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