The "if (pass_size > buf->total)" can underflow so I have changed the type of size and pass_size to unsigned to avoid this problem.
Signed-off-by: Dan Carpenter dan.carpenter@oracle.com --- This code is on the way out, but whatever. I may as well send this patch since I already wrote the patch.
diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c index 09e3f39..98f9ada 100644 --- a/drivers/gpu/drm/radeon/r600_cp.c +++ b/drivers/gpu/drm/radeon/r600_cp.c @@ -2483,7 +2483,7 @@ int r600_cp_dispatch_texture(struct drm_device *dev, struct drm_buf *buf; u32 *buffer; const u8 __user *data; - int size, pass_size; + unsigned int size, pass_size; u64 src_offset, dst_offset;
if (!radeon_check_offset(dev_priv, tex->offset)) {