vhost-user-blk/scsi: Fix broken error handling for socket call

When socket() fails, it returns -1, 0 is the normal return value and should not return error.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: AlexChen <alex.chen@huawei.com>
Message-Id: <5F9A5B48.9030509@huawei.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/contrib/vhost-user-scsi/vhost-user-scsi.c b/contrib/vhost-user-scsi/vhost-user-scsi.c
index 3c912384e9..0f9ba4b2a2 100644
--- a/contrib/vhost-user-scsi/vhost-user-scsi.c
+++ b/contrib/vhost-user-scsi/vhost-user-scsi.c
@@ -320,7 +320,7 @@ static int unix_sock_new(char *unix_fn)
     assert(unix_fn);
 
     sock = socket(AF_UNIX, SOCK_STREAM, 0);
-    if (sock <= 0) {
+    if (sock < 0) {
         perror("socket");
         return -1;
     }