diff options
| -rw-r--r-- | src/plugins/imageformats/gif/qgifhandler.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/plugins/imageformats/gif/qgifhandler.cpp b/src/plugins/imageformats/gif/qgifhandler.cpp index bae74bf9a1..84ef61b219 100644 --- a/src/plugins/imageformats/gif/qgifhandler.cpp +++ b/src/plugins/imageformats/gif/qgifhandler.cpp @@ -354,7 +354,8 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length, (*image) = QImage(swidth, sheight, format); bpl = image->bytesPerLine(); bits = image->bits(); - memset(bits, 0, image->byteCount()); + if (bits) + memset(bits, 0, image->byteCount()); } // Check if the previous attempt to create the image failed. If it @@ -415,6 +416,10 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length, backingstore = QImage(qMax(backingstore.width(), w), qMax(backingstore.height(), h), QImage::Format_RGB32); + if (backingstore.isNull()) { + state = Error; + return -1; + } memset(backingstore.bits(), 0, backingstore.byteCount()); } const int dest_bpl = backingstore.bytesPerLine(); |