diff options
| -rw-r--r-- | src/XF86DGA2.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/XF86DGA2.c b/src/XF86DGA2.c index 4d13677..9c656e6 100644 --- a/src/XF86DGA2.c +++ b/src/XF86DGA2.c @@ -250,9 +250,14 @@ Bool XDGAOpenFramebuffer( return False; } - if(rep.length) { - deviceName = Xmalloc(rep.length << 2); - _XRead(dpy, deviceName, rep.length << 2); + if (rep.length) { + if (rep.length < (INT_MAX >> 2)) { + unsigned long size = rep.length << 2; + deviceName = Xmalloc(size); + _XRead(dpy, deviceName, size); + deviceName[size - 1] = '\0'; + } else + _XEatDataWords(dpy, rep.length); } ret = XDGAMapFramebuffer(screen, deviceName, |