[PATCH] lightnvm: fix memdup_user.cocci warnings

[kbuild test robot]

drivers/lightnvm/core.c:657:8-15: 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: Matias Bjørling <m@xxxxxxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---

 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)

) || ...)
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