[PATCH v2] net/tap: Set return code on failure

[Patrick Venture]

From: Peter Foley <pefoley@google.com>

Match the other error handling in this function.

Fixes: e7b347d0bf6 ("net: detect errors from probing vnet hdr flag for TAP 
devices")

Reviewed-by: Patrick Venture <venture@google.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Peter Foley <pefoley@google.com>
---
v2: Fixed commit titlewq and updated description.
---
 net/tap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/tap.c b/net/tap.c
index f716be3e3f..c5cbeaa7a2 100644
--- 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)) {
-- 
2.34.1.448.ga2b2bfdf31-goog