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src/driver/framebuffer.cpp: check dimension in int_convertRGB2FB and if it's not valid, spit out a warning

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and return NULL.
This commit is contained in:
[CST] Bas
2015-02-22 23:26:16 +08:00
committed by [CST] Focus
parent cf0b9f944a
commit bc0c048474
1 changed files with 9 additions and 1 deletions
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10
src/driver/framebuffer.cpp
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@@ -1825,7 +1825,15 @@ void * CFrameBuffer::int_convertRGB2FB(unsigned char *rgbbuff, unsigned long x,
{ {
unsigned long i; unsigned long i;
unsigned int *fbbuff; unsigned int *fbbuff;
unsigned long count = x * y; unsigned long count;
if (!x || !y) {
printf("convertRGB2FB%s: Error: invalid dimensions (%luX x %luY)\n",
((alpha) ? " (Alpha)" : ""), x, y);
return NULL;
}
count = x * y;
fbbuff = (unsigned int *) cs_malloc_uncached(count * sizeof(unsigned int)); fbbuff = (unsigned int *) cs_malloc_uncached(count * sizeof(unsigned int));
if(fbbuff == NULL) { if(fbbuff == NULL) {