From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c | 12 +++++++-----
1 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/kernel/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c b/kernel/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
index 1899bd8..f20d1c1 100644
--- a/kernel/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
+++ b/kernel/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* POWER Data Stream Control Register (DSCR) sysfs interface test
*
@@ -6,10 +7,6 @@
* well verified from their sysfs interfaces.
*
* Copyright 2015, Anshuman Khandual, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
#include "dscr.h"
@@ -27,6 +24,7 @@
rc = read(fd, buf, sizeof(buf));
if (rc == -1) {
perror("read() failed");
+ close(fd);
return 1;
}
close(fd);
@@ -68,8 +66,10 @@
if (access(file, F_OK))
continue;
- if (check_cpu_dscr_default(file, val))
+ if (check_cpu_dscr_default(file, val)) {
+ closedir(sysfs);
return 1;
+ }
}
closedir(sysfs);
return 0;
@@ -80,6 +80,8 @@
unsigned long orig_dscr_default;
int i, j;
+ SKIP_IF(!have_hwcap2(PPC_FEATURE2_DSCR));
+
orig_dscr_default = get_default_dscr();
for (i = 0; i < COUNT; i++) {
for (j = 0; j < DSCR_MAX; j++) {
--
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