powerpc/nvram: use memdup_user
authorGeliang Tang <geliangtang@gmail.com>
Sat, 29 Apr 2017 01:45:13 +0000 (09:45 +0800)
committerKees Cook <keescook@chromium.org>
Wed, 28 Jun 2017 00:02:50 +0000 (17:02 -0700)
commit0752e4028c003fba1e2b44c4b3cf6a4482e931b6
tree9ab17526e20f992cb4fc4471a0b12f740af2c436
parent077090af337f7d833f82be3d556549512398de66
powerpc/nvram: use memdup_user

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

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
arch/powerpc/kernel/nvram_64.c