From c6d9dafb595564ae44ef2e25e3ace2973aa867f3 Mon Sep 17 00:00:00 2001
From: Hongbo Li <lihongbo22@huawei.com>
Date: Wed, 28 Aug 2024 14:21:28 +0800
Subject: bpf: Use kvmemdup to simplify the code
Use kvmemdup instead of kvmalloc() + memcpy() to simplify the
code.
No functional change intended.
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Link: https://lore.kernel.org/r/20240828062128.1223417-1-lihongbo22@huawei.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
kernel/bpf/btf.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
(limited to 'kernel/bpf')
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index edad152cee8e..1e29281653c6 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -6272,12 +6272,11 @@ static struct btf *btf_parse_module(const char *module_name, const void *data,
btf->kernel_btf = true;
snprintf(btf->name, sizeof(btf->name), "%s", module_name);
- btf->data = kvmalloc(data_size, GFP_KERNEL | __GFP_NOWARN);
+ btf->data = kvmemdup(data, data_size, GFP_KERNEL | __GFP_NOWARN);
if (!btf->data) {
err = -ENOMEM;
goto errout;
}
- memcpy(btf->data, data, data_size);
btf->data_size = data_size;
err = btf_parse_hdr(env);
--
cgit