add REDIRECT

hc

2024-10-09 05e59e5fb0064c97a1c10921ecd549f2d4a58565

 kernel/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * POWER Data Stream Control Register (DSCR) sysfs interface test
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  *
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@@ -6,10 +7,6 @@
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  * well verified from their sysfs interfaces.
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  *
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  * Copyright 2015, Anshuman Khandual, IBM Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License version 2 as published
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- * by the Free Software Foundation.
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  */
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 #include "dscr.h"
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@@ -27,6 +24,7 @@
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 	rc = read(fd, buf, sizeof(buf));
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 	if (rc == -1) {
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 		perror("read() failed");
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+		close(fd);
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 		return 1;
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 	}
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 	close(fd);
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@@ -68,8 +66,10 @@
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 		if (access(file, F_OK))
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 			continue;
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-		if (check_cpu_dscr_default(file, val))
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+		if (check_cpu_dscr_default(file, val)) {
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+			closedir(sysfs);
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 			return 1;
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+		}
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 	}
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 	closedir(sysfs);
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 	return 0;
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@@ -80,6 +80,8 @@
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 	unsigned long orig_dscr_default;
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 	int i, j;
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+	SKIP_IF(!have_hwcap2(PPC_FEATURE2_DSCR));
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+
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 	orig_dscr_default = get_default_dscr();
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 	for (i = 0; i < COUNT; i++) {
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 		for (j = 0; j < DSCR_MAX; j++) {