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| author | Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> | 2019-10-10 13:29:36 -0700 |
|---|---|---|
| committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-10-15 11:02:28 +0300 |
| commit | abd120e3bdf3dd72ba1ed9ac077a861e0e3dc43a (patch) | |
| tree | 98f2f9892178f18b8889745593166dfc2aa24598 /tools/power | |
| parent | fd13c8622a5ad4f7317b64de4f6aa2de1962220e (diff) | |
| download | linux-abd120e3bdf3dd72ba1ed9ac077a861e0e3dc43a.tar.gz linux-abd120e3bdf3dd72ba1ed9ac077a861e0e3dc43a.tar.bz2 linux-abd120e3bdf3dd72ba1ed9ac077a861e0e3dc43a.zip | |
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>
Diffstat (limited to 'tools/power')
| -rw-r--r-- | tools/power/x86/intel-speed-select/isst-config.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c index 2a9890c8395a..21fcfe621d3a 100644 --- a/tools/power/x86/intel-speed-select/isst-config.c +++ b/tools/power/x86/intel-speed-select/isst-config.c @@ -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); } |