netdev - Re: Weird sparse error WAS( [PATCH net-next v2 3/3] net/sched: act

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Date: Tue, 5 Sep 2023 12:18:04 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Jamal Hadi Salim <jhs@...atatu.com>
Cc: Simon Horman <horms@...nel.org>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: Weird sparse error WAS( [PATCH net-next v2 3/3] net/sched:
 act_blockcast: Introduce blockcast tc action

On Thu, Aug 24, 2023 at 10:30:18AM -0400, Jamal Hadi Salim wrote:
> Dan/Simon,
> Can someone help explain this error on the code below:
> 
> ../net/sched/act_blockcast.c:213:9: warning: context imbalance in
> 'tcf_blockcast_init' - different lock contexts for basic block
> 
> Looks like a false positive ...

I maintain Smatch and not Sparse.  It is a false positive.  Smatch will
parse that code correctly.  ;)

regards,
dan carpenter