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fix check mmap error, avoid possible segment fault

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Jacek Jendrzej
2019-04-16 23:15:57 +02:00
committed by Thilo Graf
parent 005bcbdf01
commit 4c5b13c4a4
1 changed files with 1 additions and 1 deletions
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2
libarmbox/video.cpp
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@@ -1090,7 +1090,7 @@ void get_osd_buf(unsigned char *osd_data)
return;
}
void *lfb = (unsigned char*)mmap(0, fix_screeninfo.smem_len, PROT_READ , MAP_SHARED, fb, 0);
void *lfb = (unsigned char*)mmap(0, fix_screeninfo.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fb, 0);
if(lfb == MAP_FAILED)
{
fprintf(stderr, "Framebuffer: <Memmapping failed>\n");