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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>
This commit is contained in:
Srinivas Pandruvada 2019-10-10 13:29:36 -07:00 committed by Andy Shevchenko
parent fd13c8622a
commit abd120e3bd
1 changed files with 6 additions and 3 deletions
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9
tools/power/x86/intel-speed-select/isst-config.c
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@ -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);
}