Warn when unable to resize receive buffer.

74271851 · Juliusz Chroboczek · 0b5ae397 · 74271851
Commit 74271851 authored Jul 09, 2012 by Juliusz Chroboczek
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interface.c interface.c +5 -1

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--- a/interface.c
+++ b/interface.c
@@ -237,7 +237,11 @@ interface_up(struct interface *ifp, int up)
            return interface_up(ifp, 0);
        }

-        resize_receive_buffer(mtu);
+        rc = resize_receive_buffer(mtu);
+        if(rc < 0)
+            fprintf(stderr, "Warning: couldn't resize "
+                    "receive buffer for interface %s (%d) (%d bytes).\n",
+                    ifp->name, ifp->ifindex, mtu);

        if(IF_CONF(ifp, wired) == CONFIG_NO) {
            wired = 0;