tools/power/x86/intel-speed-select: Remove warning for unused result (abd120e3) · Commits · 戴 / test

Fix warning for: isst-config.c: In function ‘set_cpu_online_offline’: isst-config.c:221:3: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result] write(fd, "1\n", 2); Signed-off-by:

Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by:

Andy Shevchenko <andriy.shevchenko@linux.intel.com>

tools/power/x86/intel-speed-select/isst-config.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -169,7 +169,7 @@ int get_topo_max_cpus(void)
		static void set_cpu_online_offline(int cpu, int state)
		{
		char buffer[128];
		int fd;
		int fd, ret;

		snprintf(buffer, sizeof(buffer),
		"/sys/devices/system/cpu/cpu%d/online", cpu);
		@@ -179,9 +179,12 @@ static void set_cpu_online_offline(int cpu, int state)
		err(-1, "%s open failed", buffer);

		if (state)
		write(fd, "1\n", 2);
		ret = write(fd, "1\n", 2);
		else
		write(fd, "0\n", 2);
		ret = write(fd, "0\n", 2);

		if (ret == -1)
		perror("Online/Offline: Operation failed\n");

		close(fd);
		}

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