surfaceflinger: Fix range check for getFormat
Fix potential buffer overflow error in getFormat with indices greater than MAX_HWC_DISPLAYS. Change-Id: I5e5b69d8d043e900f5e33ca9a62e94ae5f857b68
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@ -461,7 +461,7 @@ sp<Fence> HWComposer::getDisplayFence(int disp) const {
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}
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uint32_t HWComposer::getFormat(int disp) const {
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if (uint32_t(disp)>31 || !mAllocatedDisplayIDs.hasBit(disp)) {
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if (static_cast<uint32_t>(disp) >= MAX_HWC_DISPLAYS || !mAllocatedDisplayIDs.hasBit(disp)) {
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return HAL_PIXEL_FORMAT_RGBA_8888;
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} else {
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return mDisplayData[disp].format;
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