From: Tomas Hruby <tom@minix3.org>
Date: Thu, 7 Feb 2013 09:49:52 +0000 (+0000)
Subject: LWIP - avoid crash when an unknown driver come up
X-Git-Tag: v3.3.0~1066
X-Git-Url: http://zhaoyanbai.com/repos//%22http:/www.isc.org/%22?a=commitdiff_plain;h=00f08c48682f8f868632ef29a99f6c6b0e6fa476;p=minix.git

LWIP - avoid crash when an unknown driver come up
---

diff --git a/servers/lwip/driver.c b/servers/lwip/driver.c
index a1c5a5318..473689ac7 100644
--- a/servers/lwip/driver.c
+++ b/servers/lwip/driver.c
@@ -403,9 +403,11 @@ void driver_up(const char * label, endpoint_t ep)
 		debug_print("LWIP : driver '%s' / %d is up for /dev/%s\n",
 				label, ep, nic->name);
 		nic->drv_ep = ep;
-	} else
+	} else {
 		printf("LWIP : WARNING unexpected driver '%s' up event\n",
 								label);
+		return;
+	}
 
 	nic->state = DRV_IDLE;