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Commit a5f80a55 authored by Namit Solanki's avatar Namit Solanki Committed by Steve Kondik
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surfaceflinger: Access s3d flags only for valid display ID. 

- Check if display id is within display ID range. Negative
  display ids lead to undefined behavior in CTS tests.

Change-Id: I2db8caf8d7ac65700e5bc37c180763357cc90aad
CRs-Fixed: 1043297
parent 3b418d69

services/surfaceflinger/ExSurfaceFlinger/ExHWComposer.cpp

+3 −0
Original line number Diff line number Diff line
@@ -82,6 +82,9 @@ uint32_t ExHWComposer::getS3DFlag(int disp) const { 
        return 0;

    }



    if (!mHwc || uint32_t(disp) >= MAX_HWC_DISPLAYS || !mAllocatedDisplayIDs.hasBit(disp))

        return 0;



    const DisplayData& disp_data(mDisplayData[disp]);



    for (size_t i=0 ; i<disp_data.list->numHwLayers-1; i++) {