From: Stefan Hajnoczi <stefa...@redhat.com>
Do not validate input with g_return_val_if(). This API is intended for
checking programming errors and is compiled out with -DG_DISABLE_CHECKS.
Use an explicit if statement for input validation so it cannot
accidentally be compiled out.
Suggested-by: Markus Armbruster <arm...@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
Message-Id: <20201118091644.199527-2-stefa...@redhat.com>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
contrib/vhost-user-blk/vhost-user-blk.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/contrib/vhost-user-blk/vhost-user-blk.c
b/contrib/vhost-user-blk/vhost-user-blk.c
index 6abd7835a8..d14b2896bf 100644
--- a/contrib/vhost-user-blk/vhost-user-blk.c
+++ b/contrib/vhost-user-blk/vhost-user-blk.c
@@ -403,7 +403,9 @@ vub_get_config(VuDev *vu_dev, uint8_t *config, uint32_t len)
VugDev *gdev;
VubDev *vdev_blk;
- g_return_val_if_fail(len <= sizeof(struct virtio_blk_config), -1);
+ if (len > sizeof(struct virtio_blk_config)) {
+ return -1;
+ }
gdev = container_of(vu_dev, VugDev, parent);
vdev_blk = container_of(gdev, VubDev, parent);
--
MST
