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[bpf-next,v2] bpf/btf: Use kvmemdup to simplify the code

Message ID 20240828062128.1223417-1-lihongbo22@huawei.com (mailing list archive)
State Accepted
Commit c6d9dafb595564ae44ef2e25e3ace2973aa867f3
Delegated to: BPF
Headers show
Series [bpf-next,v2] bpf/btf: Use kvmemdup to simplify the code | expand

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netdev/tree_selection success Clearly marked for bpf-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 16 this patch: 16
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netdev/build_clang success Errors and warnings before: 16 this patch: 16
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netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
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netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 13 lines checked
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netdev/source_inline success Was 0 now: 0
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Commit Message

Hongbo Li Aug. 28, 2024, 6:21 a.m. UTC 
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>
---
v2:
  - Change the subject-prefix and add acked-by.

v1: https://lore.kernel.org/bpf/20240827112904.4017810-1-lihongbo22@huawei.com/T/
---
 kernel/bpf/btf.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

patchwork-bot+netdevbpf@kernel.org Aug. 29, 2024, 7:30 p.m. UTC | #1 
Hello:

This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Wed, 28 Aug 2024 14:21:28 +0800 you wrote:
> 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>
> 
> [...]

Here is the summary with links:
  - [bpf-next,v2] bpf/btf: Use kvmemdup to simplify the code
    https://git.kernel.org/bpf/bpf-next/c/c6d9dafb5955

You are awesome, thank you!
diff mbox series

Patch

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 9d6f9924eca7..cbbc1c2bc62e 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -6238,12 +6238,11 @@  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);