diff options
| -rw-r--r-- | firmware/target/hosted/cpuinfo-linux.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/firmware/target/hosted/cpuinfo-linux.c b/firmware/target/hosted/cpuinfo-linux.c index 373d1c7..e5278ce 100644 --- a/firmware/target/hosted/cpuinfo-linux.c +++ b/firmware/target/hosted/cpuinfo-linux.c @@ -141,13 +141,13 @@ int cpufrequency_linux(int cpu) { char path[64]; char temp[10]; - int cpu_dev, ret; + int cpu_dev, ret = -1; snprintf(path, sizeof(path), "/sys/devices/system/cpu/cpu%d/cpufreq/cpuinfo_cur_freq", cpu); cpu_dev = open(path, O_RDONLY); if (cpu_dev < 0) return -1; - read(cpu_dev, temp, 10); - ret = atoi(temp); + if (read(cpu_dev, temp, sizeof(tmp)) >= 0) + ret = atoi(temp); close(cpu_dev); return ret; } @@ -156,13 +156,13 @@ int scalingfrequency_linux(int cpu) { char path[64]; char temp[10]; - int cpu_dev, ret; + int cpu_dev, ret = -1; snprintf(path, sizeof(path), "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_cur_freq", cpu); cpu_dev = open(path, O_RDONLY); if (cpu_dev < 0) return -1; - read(cpu_dev, temp, 10); - ret = atoi(temp); + if (read(cpu_dev, temp, sizeof(tmp)) >= 0) + ret = atoi(temp); close(cpu_dev); return ret; } |