Re: [PATCH] RDS: IB: fix ifnullfree.cocci warnings

From: David Miller
Date: Fri Feb 24 2017 - 11:12:11 EST


From: kbuild test robot <fengguang.wu@xxxxxxxxx>
Date: Thu, 23 Feb 2017 20:47:01 +0800

> net/rds/ib.c:115:2-7: WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values.
>
> NULL check before some freeing functions is not needed.
>
> Based on checkpatch warning
> "kfree(NULL) is safe this check is probably not required"
> and kfreeaddr.cocci by Julia Lawall.
>
> Generated by: scripts/coccinelle/free/ifnullfree.cocci
>
> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>

Applied.