[efi:next 25/27] drivers/firmware/efi/test/efi_test.c:269:8-15: WARNING opportunity for memdup_user

[efi:next 25/27] drivers/firmware/efi/test/efi_test.c:269:8-15: WARNING opportunity for memdup_user

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi.git next
head:   daed0a8a36e7e0bc8eb76a53a4edce02d245cac1
commit: f8c1a021147e8d3a6ca5c3d86de44956a6b03168 [25/27] efi: Add efi_test driver for exporting UEFI runtime service interfaces


coccinelle warnings: (new ones prefixed by >>)

>> drivers/firmware/efi/test/efi_test.c:269:8-15: WARNING opportunity for memdup_user

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

[PATCH] efi: fix memdup_user.cocci warnings

[kbuild test robot]

drivers/firmware/efi/test/efi_test.c:269:8-15: WARNING opportunity for memdup_user

 Use memdup_user rather than duplicating its implementation
 This is a little bit restricted to reduce false positives

Generated by: scripts/coccinelle/api/memdup_user.cocci

CC: Ivan Hu <ivan.hu-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
Signed-off-by: Fengguang Wu <fengguang.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---

 0 files changed

rule starting on line 17: position variables or mixed modifs interfere with comm_assoc isobool (
(

(
(unknown *to == NULL)
  >>> IS_ERR(rule starting on line 17:to)

|
!unknown *to
  >>> IS_ERR(rule starting on line 17:to)

)
|
(unknown *NULL == unknown *to)
  >>> IS_ERR(rule starting on line 17:to)

) || ...)