dix: protect doPolyText() from potential NULL dereference
There's a (theoretical) chance that origGC might be NULL, so better be cautious and check for this - doesn't cost us much, probably just another JZ instruction. Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
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@ -1317,7 +1317,7 @@ doPolyText(ClientPtr client, PTclosurePtr c)
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if (client_state == START_SLEEP) {
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/* Step 4 */
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if (pFont != origGC->font) {
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if (origGC && (pFont != origGC->font)) {
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ChangeGCVal val;
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val.ptr = pFont;
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