net/tap: Set return code on failure

Match the other error handling in this function. Fixes: e7b347d ("net: detect errors from probing vnet hdr flag for TAP devices") Reviewed-by: Patrick Venture <[email protected]> Reviewed-by: Philippe Mathieu-Daudé <[email protected]> Signed-off-by: Peter Foley <[email protected]> Signed-off-by: Jason Wang <[email protected]>
patchew-project · Feb 14, 2022 · 41bcea7 · 41bcea7
1 parent f3e5a17
commit 41bcea7
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/net/tap.c b/net/tap.c
@@ -900,6 +900,7 @@ int net_init_tap(const Netdev *netdev, const char *name,
             if (i == 0) {
                 vnet_hdr = tap_probe_vnet_hdr(fd, errp);
                 if (vnet_hdr < 0) {
+                    ret = -1;
                     goto free_fail;
                 }
             } else if (vnet_hdr != tap_probe_vnet_hdr(fd, NULL)) {