ifmedia: Reset ifm_media and ifm_cur in ifmedia_removeall()

This function may be called by NIC drivers on non-detach path, so we need to make sure everything of ifmedia are in sane state.
DragonFlyBSD · Nov 25, 2015 · 1e19ab2 · 1e19ab2
1 parent 21ba42d
commit 1e19ab2
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/sys/net/if_media.c b/sys/net/if_media.c
@@ -91,11 +91,12 @@ ifmedia_removeall(struct ifmedia *ifm)
 {
 	struct ifmedia_entry *entry;
 
-	for (entry = LIST_FIRST(&ifm->ifm_list); entry;
-	     entry = LIST_FIRST(&ifm->ifm_list)) {
+	while ((entry = LIST_FIRST(&ifm->ifm_list)) != NULL) {
 		LIST_REMOVE(entry, ifm_list);
 		kfree(entry, M_IFADDR);
 	}
+	ifm->ifm_cur = NULL;
+	ifm->ifm_media = IFM_NONE;
 }
 
 /*