Fixed BUG in if_detach.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5159 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-10-25 12:58:49 +00:00
parent 0868fe5619
commit 20826c8ed2
1 changed files with 14 additions and 6 deletions
@@ -398,12 +398,20 @@ void if_attach(struct ifnet *ifp)

 void if_detach(struct ifnet *ifp)
 {
-	struct ifnet **p = &devices, *q;
-
-	for (; (*p)->if_next != ifp ; (*p) = (*p)->if_next)
-		continue;
-	q = (*p)->if_next->if_next;
-	(*p)->if_next = q;
+	struct ifnet *p = devices, *q = NULL;
+	
+	for(; p && p != ifp; p = p->if_next)
+		q = p;
+	
+	if(!p)
+		return;
+	
+	if(q)
+		q->if_next = p->if_next;
+	else
+		devices = p->if_next;
+	
+	free(p->if_name);
 }
 	
 /* XXX - memcpy used as copyin / copyout not available. I did look