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[PULL,v4,48/48] libvhost-user: return on error in vu_log_queue_fill()

Message ID 20200929071948.281157-49-mst@redhat.com
State New
Headers show
Series virtio,pc,acpi: fixes, tests | expand

Commit Message

Michael S. Tsirkin Sept. 29, 2020, 7:23 a.m. UTC 
From: Stefan Hajnoczi <stefanha@redhat.com>

vu_panic() is not guaranteed to exit the program. Return early when
errors are encountered.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200921113420.154378-3-stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 contrib/libvhost-user/libvhost-user.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c
index 4ebfa4cc40..9f1285b8a1 100644
--- a/contrib/libvhost-user/libvhost-user.c
+++ b/contrib/libvhost-user/libvhost-user.c
@@ -2733,6 +2733,7 @@  vu_log_queue_fill(VuDev *dev, VuVirtq *vq,
     if (lduw_le_p(&desc[i].flags) & VRING_DESC_F_INDIRECT) {
         if (ldl_le_p(&desc[i].len) % sizeof(struct vring_desc)) {
             vu_panic(dev, "Invalid size for indirect buffer table");
+            return;
         }
 
         /* loop over the indirect descriptor table */