Re: [PATCH RFC 4/7] bridge: cfm: Kernel space implementation of CFM.
From: Jakub Kicinski
Date: Fri Sep 04 2020 - 11:03:04 EST
On Fri, 4 Sep 2020 09:15:24 +0000 Henrik Bjoernlund wrote:
> + rcu_read_lock();
> + b_port = rcu_dereference(mep->b_port);
> + if (!b_port)
> + return NULL;
> + skb = dev_alloc_skb(CFM_CCM_MAX_FRAME_LENGTH);
> + if (!skb)
> + return NULL;
net/bridge/br_cfm.c:171:23: warning: context imbalance in 'ccm_frame_build' - different lock contexts for basic block