linux-ext4 - [ext4:lazy_journal 31/36] fs/jbd2/jmap.c:19:2-20: 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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Message-ID: <201702131515.Cca34rb0%fengguang.wu@intel.com>
Date:   Mon, 13 Feb 2017 15:31:19 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Abutalib Aghayev <agayev@...cmu.edu>
Cc:     kbuild-all@...org, linux-ext4@...r.kernel.org,
        Theodore Ts'o <tytso@....edu>
Subject: [ext4:lazy_journal 31/36] fs/jbd2/jmap.c:19:2-20: 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/tytso/ext4.git lazy_journal
head:   c3a5aefebea108e050865d5bdf9fd11b9c7f6c5e
commit: 8ee808a5a2c58937a6b80022e2a1bc18894009d6 [31/36] Add support for tracking metadata blocks in the log.


coccinelle warnings: (new ones prefixed by >>)

>> fs/jbd2/jmap.c:19:2-20: 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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