linux-kernel - drivers/usb/gadget/function/f_fs.c:3829:8-15: WARNING opportunity for memdup

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Date:   Mon, 8 Mar 2021 15:09:50 +0800
From:   kernel test robot <lkp@...el.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Peter Chen <peter.chen@....com>
Subject: drivers/usb/gadget/function/f_fs.c:3829:8-15: WARNING opportunity
 for memdup_user

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   144c79ef33536b4ecb4951e07dbc1f2b7fa99d32
commit: 8704fd73bf5658bf4b827643f7f526481082d83f USB: gadget: f_fs: remove likely/unlikely
date:   3 months ago
config: x86_64-randconfig-c002-20210307 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


"coccinelle warnings: (new ones prefixed by >>)"
>> drivers/usb/gadget/function/f_fs.c:3829:8-15: WARNING opportunity for memdup_user

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (37114 bytes)