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Return failure on failure, and don't try and read past the end of argv

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This commit is contained in:
Marc Di Luzio 2019-02-09 19:45:44 +00:00
parent 9cd32c63eb
commit 392fb221dc
1 changed files with 6 additions and 4 deletions
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10
daemon/gpuclockctl.c
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@ -283,17 +283,19 @@ int main(int argc, char *argv[])
info.vendor = get_vendor(argv[1]); info.vendor = get_vendor(argv[1]);
info.device = get_device(argv[2]); info.device = get_device(argv[2]);
if (info.vendor == Vendor_NVIDIA) if (info.vendor == Vendor_NVIDIA && argc > 4)
info.nv_perf_level = get_generic_value(argv[4]); info.nv_perf_level = get_generic_value(argv[4]);
/* Fetch the state and print it out */ /* Fetch the state and print it out */
switch (info.vendor) { switch (info.vendor) {
case Vendor_NVIDIA: case Vendor_NVIDIA:
/* Get nvidia power level */ /* Get nvidia power level */
get_gpu_state_nv(&info); if( get_gpu_state_nv(&info) != 0 )
exit(EXIT_FAILURE);
break; break;
case Vendor_AMD: case Vendor_AMD:
get_gpu_state_amd(&info); if( get_gpu_state_amd(&info) != 0)
exit(EXIT_FAILURE);
break; break;
default: default:
printf("Currently unsupported GPU vendor 0x%04x, doing nothing!\n", (short)info.vendor); printf("Currently unsupported GPU vendor 0x%04x, doing nothing!\n", (short)info.vendor);
@ -316,7 +318,7 @@ int main(int argc, char *argv[])
info.core = get_generic_value(argv[4]); info.core = get_generic_value(argv[4]);
info.mem = get_generic_value(argv[5]); info.mem = get_generic_value(argv[5]);
if (info.vendor == Vendor_NVIDIA) if (info.vendor == Vendor_NVIDIA && argc > 6)
info.nv_perf_level = get_generic_value(argv[6]); info.nv_perf_level = get_generic_value(argv[6]);
printf("gpuclockctl setting core:%ld mem:%ld on device:%ld with vendor 0x%04x\n", printf("gpuclockctl setting core:%ld mem:%ld on device:%ld with vendor 0x%04x\n",