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Bug 1151166 - Fix two Coverity warnings in nsPNGDecoder.cpp. r=jrmuizel

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This commit is contained in:
Glenn Randers-Pehrson 2015-05-26 05:48:00 -04:00
parent f6b8d2a9b2
commit e10aeec053
1 changed files with 3 additions and 0 deletions
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3
image/decoders/nsPNGDecoder.cpp
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@ -111,6 +111,7 @@ nsPNGDecoder::nsPNGDecoder(RasterImage* aImage)
mPNG(nullptr), mInfo(nullptr),
mCMSLine(nullptr), interlacebuf(nullptr),
mInProfile(nullptr), mTransform(nullptr),
format(gfx::SurfaceFormat::UNKNOWN),
mHeaderBytesRead(0), mCMSMode(0),
mChannels(0), mFrameIsHidden(false),
mDisablePremultipliedAlpha(false),
@ -636,6 +637,8 @@ nsPNGDecoder::info_callback(png_structp png_ptr, png_infop info_ptr)
decoder->format = gfx::SurfaceFormat::B8G8R8X8;
} else if (channels == 2 || channels == 4) {
decoder->format = gfx::SurfaceFormat::B8G8R8A8;
} else {
png_longjmp(decoder->mPNG, 1); // invalid number of channels
}
#ifdef PNG_APNG_SUPPORTED