diff options
| -rw-r--r-- | src/XF86DGA2.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/XF86DGA2.c b/src/XF86DGA2.c index 90ca918..4d13677 100644 --- a/src/XF86DGA2.c +++ b/src/XF86DGA2.c @@ -444,8 +444,14 @@ XDGASetMode( dev->mode.reserved1 = info.reserved1; dev->mode.reserved2 = info.reserved2; - dev->mode.name = (char*)(&dev[1]); - _XRead(dpy, dev->mode.name, info.name_size); + if (info.name_size > 0 && info.name_size <= size) { + dev->mode.name = (char*)(&dev[1]); + _XRead(dpy, dev->mode.name, info.name_size); + dev->mode.name[info.name_size - 1] = '\0'; + } else { + dev->mode.name = NULL; + _XEatDataWords(dpy, rep.length); + } dev->pixmap = (rep.flags & XDGAPixmap) ? pid : 0; dev->data = XDGAGetMappedMemory(screen); |