linux-kernel - 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.

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Date:   Thu, 23 Feb 2017 20:47:00 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Santosh Shilimkar <santosh.shilimkar@...cle.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org
Subject: 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.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   bc49a7831b1137ce1c2dda1c57e3631655f5d2ae
commit: be2f76eacc278c272f26d46e4168efe5a55f5383 RDS: IB: Add vector spreading for cqs
date:   7 weeks ago

coccinelle warnings: (new ones prefixed by >>)

>> 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.

Please review and possibly fold the followup patch.

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