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tools/power/x86/intel-speed-select: Remove warning for unused result
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>
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fd13c8622a
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1 changed files with 6 additions and 3 deletions
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@ -169,7 +169,7 @@ int get_topo_max_cpus(void)
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static void set_cpu_online_offline(int cpu, int state)
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static void set_cpu_online_offline(int cpu, int state)
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{
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{
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char buffer[128];
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char buffer[128];
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int fd;
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int fd, ret;
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snprintf(buffer, sizeof(buffer),
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snprintf(buffer, sizeof(buffer),
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"/sys/devices/system/cpu/cpu%d/online", cpu);
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"/sys/devices/system/cpu/cpu%d/online", cpu);
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@ -179,9 +179,12 @@ static void set_cpu_online_offline(int cpu, int state)
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err(-1, "%s open failed", buffer);
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err(-1, "%s open failed", buffer);
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if (state)
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if (state)
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write(fd, "1\n", 2);
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ret = write(fd, "1\n", 2);
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else
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else
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write(fd, "0\n", 2);
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ret = write(fd, "0\n", 2);
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if (ret == -1)
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perror("Online/Offline: Operation failed\n");
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close(fd);
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close(fd);
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}
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}
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