From aa9c1ad9dedf3608e1449c65579001b27e573e18 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Wed, 25 Mar 2009 21:01:47 -0700 Subject: [PATCH] bridge: bad error handling when adding invalid ether address [ Upstream commit cda6d377ec6b2ee2e58d563d0bd7eb313e0165df ] This fixes an crash when empty bond device is added to a bridge. If an interface with invalid ethernet address (all zero) is added to a bridge, then bridge code detects it when setting up the forward databas entry. But the error unwind is broken, the bridge port object can get freed twice: once when ref count went to zeo, and once by kfree. Since object is never really accessible, just free it. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/bridge/br_if.c | 1 - 1 file changed, 1 deletion(-) diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 0a09ccf68c1c1..b8767f2b4dac7 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -426,7 +426,6 @@ err2: err1: kobject_del(&p->kobj); err0: - kobject_put(&p->kobj); dev_set_promiscuity(dev, -1); put_back: dev_put(dev); -- 2.47.2