patch-2.4.7 linux/drivers/char/drm/r128_bufs.c
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- Lines: 17
- Date:
Mon Jul 16 15:13:32 2001
- Orig file:
v2.4.6/linux/drivers/char/drm/r128_bufs.c
- Orig date:
Mon Mar 19 12:35:08 2001
diff -u --recursive --new-file v2.4.6/linux/drivers/char/drm/r128_bufs.c linux/drivers/char/drm/r128_bufs.c
@@ -103,6 +103,16 @@
return -ENOMEM; /* May only call once for each order */
}
+ /* Might be a poor limit, but take that up with XFree86
+ if its a problem */
+
+ if(count < 0 || count > 4096)
+ {
+ up(&dev->struct_sem);
+ atomic_dec(&dev->buf_alloc);
+ return -EINVAL;
+ }
+
entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
DRM_MEM_BUFS);
if (!entry->buflist) {
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