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GPU (macOS): fix possible segfault when detecting GPU frequency (M1 Air)

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Fix #1122
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李通洲
2024-07-26 08:45:38 +08:00
parent f91be6442d
commit 6862747c48
1 changed files with 1 additions and 1 deletions
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src/detection/gpu/gpu_apple.c
+1 -1
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@@ -53,7 +53,7 @@ static const char* detectFrequency(FFGPUResult* gpu)
return "\"pmgr\" should conform to \"AppleARMIODevice\"";
FF_CFTYPE_AUTO_RELEASE CFDataRef freqProperty = (CFDataRef) IORegistryEntryCreateCFProperty(entryDevice, CFSTR("voltage-states9-sram"), kCFAllocatorDefault, kNilOptions);
if (CFGetTypeID(freqProperty) != CFDataGetTypeID())
if (!freqProperty || CFGetTypeID(freqProperty) != CFDataGetTypeID())
return "\"voltage-states9-sram\" in \"pmgr\" is not found";
// voltage-states5-sram stores supported <frequency / voltage> pairs of gpu from the lowest to the highest