linux-kernel - Re: [PATCH 1/5] nbd: Fix debugfs error handling

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Date:	Sat, 2 Jan 2016 19:49:51 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Markus Pargmann <mpa@...gutronix.de>
Cc:	kbuild-all@...org, Jens Axboe <axboe@...nel.dk>,
	linux-kernel@...r.kernel.org, nbd-general@...ts.sourceforge.net,
	kernel@...gutronix.de, Markus Pargmann <mpa@...gutronix.de>
Subject: Re: [PATCH 1/5] nbd: Fix debugfs error handling

Hi Markus,

[auto build test WARNING on block/for-next]
[also build test WARNING on v4.4-rc7 next-20151231]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Markus-Pargmann/nbd-Fix-debugfs-error-handling/20160102-182030
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next


coccinelle warnings: (new ones prefixed by >>)

>> drivers/block/nbd.c:937:2-26: 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.
   drivers/block/nbd.c:918:2-26: 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.

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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