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bpf: Use kvmemdup to simplify the code

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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>
This commit is contained in:
Hongbo Li 2024-08-28 14:21:28 +08:00 committed by Alexei Starovoitov
parent 89dd9bb255
commit c6d9dafb59
1 changed files with 1 additions and 2 deletions
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3
kernel/bpf/btf.c
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@ -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);