[dpdk-dev] [PATCH v4 05/19] vhost: fix error handling when mem table gets updated

[Maxime Coquelin <maxime.coquelin@redhat.com>]

When the memory table gets updated, the rings addresses need
to be translated again. If it fails, we need to exit cleanly
by unmapping memory regions.

Fixes: d5022533c20a ("vhost: retranslate vring addr when memory table changes")
Cc: stable@dpdk.org

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: Ilya Maximets <i.maximets@samsung.com>
---
 lib/librte_vhost/vhost_user.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 71a0e7dd7..3f01926e2 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -964,7 +964,7 @@ vhost_user_set_mem_table(struct virtio_net **pdev, struct VhostUserMsg *msg)
 
 			dev = translate_ring_addresses(dev, i);
 			if (!dev)
-				return VH_RESULT_ERR;
+				goto err_mmap;
 
 			*pdev = dev;
 		}
-- 
2.17.1