diff options
| author |   Hongbo Li <lihongbo22@huawei.com> | 2024-08-28 14:21:28 +0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2024-08-29 12:25:38 -0700 |
| commit | c6d9dafb595564ae44ef2e25e3ace2973aa867f3 (patch) | |
| tree | 1305a7b888249ab5d1038989bff1d2f9c086bade | |
| parent | docs/bpf: Fix a typo in verifier.rst (diff) | |
| download | wireguard-linux-c6d9dafb595564ae44ef2e25e3ace2973aa867f3.tar.xz wireguard-linux-c6d9dafb595564ae44ef2e25e3ace2973aa867f3.zip | |
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>
| -rw-r--r-- | kernel/bpf/btf.c | 3 |
1 files changed, 1 insertions, 2 deletions
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); |