netdevsim: switch to memdup_user_nul()
authorWei Yongjun <weiyongjun1@huawei.com>
Wed, 24 Mar 2021 14:42:20 +0000 (14:42 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 24 Mar 2021 23:26:58 +0000 (16:26 -0700)
commit20fd4f421cf4c21ab37a8bf31db50c69f1b49355
tree2a962f1200f5d0bc2838137e9c82bc6f91eee6a2
parentc3dde0ee7163856bf295fdbc09205b61581a7f92
netdevsim: switch to memdup_user_nul()

Use memdup_user_nul() helper instead of open-coding to
simplify the code.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/netdevsim/health.c