On Thu, Dec 11, 2025 at 10:45:47AM +0300, Dan Carpenter wrote:
Return a negative error code if the transport doesn't match.  Don't
return success.

Fixes: c0cfa2d8a788 ("vsock: add multi-transports support")
Cc: [email protected]
Signed-off-by: Dan Carpenter <[email protected]>
---
From static analysis.  Not tested.

net/vmw_vsock/virtio_transport_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/vmw_vsock/virtio_transport_common.c 
b/net/vmw_vsock/virtio_transport_common.c
index dcc8a1d5851e..77fbc6c541bf 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -1550,7 +1550,7 @@ virtio_transport_recv_listen(struct sock *sk, struct 
sk_buff *skb,
                release_sock(child);
                virtio_transport_reset_no_sock(t, skb);
                sock_put(child);
-               return ret;
+               return ret ?: -EINVAL;

Thanks for this fix. I think we have a similar issue also in net/vmw_vsock/vmci_transport.c introduced by the same commit. In net/vmw_vsock/hyperv_transport.c we have a similar pattern, but the calling function return void, so no issue there.

Do you mind to fix also that one?

Sending a v2 to fix both or another patch just for that it's fine by me,
so:

Reviewed-by: Stefano Garzarella <[email protected]>


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