bpf: use kvmemdup_bpfptr helper
authorWang Yufen <wangyufen@huawei.com>
Tue, 13 Sep 2022 08:40:33 +0000 (16:40 +0800)
committerMartin KaFai Lau <martin.lau@kernel.org>
Fri, 16 Sep 2022 18:58:18 +0000 (11:58 -0700)
commita02c118ee9e898612cbae42121b9e8663455b515
treef9e56532a036b10e9059715f50a5a2eae9968481
parent47e34cb74d376ddfeaef94abb1d6dfb3c905ee51
bpf: use kvmemdup_bpfptr helper

Use kvmemdup_bpfptr helper instead of open-coding to
simplify the code.

Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/1663058433-14089-1-git-send-email-wangyufen@huawei.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
kernel/bpf/syscall.c