Re: [PATCH] net: caif: Add lockdep expression to RCU traversal primitive

[David Miller]

From: Amol Grover <frextrite@xxxxxxxxx>
Date: Thu, 12 Mar 2020 11:04:20 +0530

> caifdevs->list is traversed using list_for_each_entry_rcu()
> outside an RCU read-side critical section but under the
> protection of rtnl_mutex. Hence, add the corresponding lockdep
> expression to silence the following false-positive warning:
> 
> [   10.868467] =============================
> [   10.869082] WARNING: suspicious RCU usage
> [   10.869817] 5.6.0-rc1-00177-g06ec0a154aae4 #1 Not tainted
> [   10.870804] -----------------------------
> [   10.871557] net/caif/caif_dev.c:115 RCU-list traversed in non-reader section!!
> 
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Amol Grover <frextrite@xxxxxxxxx>

Applied, thank you.