diff mbox series

[bpf-next] libbpf: fix error handling in btf__distill_base()

Message ID 20240629100058.2866763-1-alan.maguire@oracle.com (mailing list archive)
State Accepted
Commit 5b747c23f17d791e08fdf4baa7e14b704625518c
Delegated to: BPF
Headers show
Series [bpf-next] libbpf: fix error handling in btf__distill_base() | expand

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Commit Message

Alan Maguire June 29, 2024, 10 a.m. UTC 
Coverity points out that after calling btf__new_empty_split()
the wrong value is checked for error.

Reported-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
---
 tools/lib/bpf/btf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Alan Maguire June 29, 2024, 10:04 a.m. UTC | #1 
On 29/06/2024 11:00, Alan Maguire wrote:
> Coverity points out that after calling btf__new_empty_split()
> the wrong value is checked for error.
> 
> Reported-by: Andrii Nakryiko <andrii@kernel.org>
> Signed-off-by: Alan Maguire <alan.maguire@oracle.com>

apologies, forgot

Fixes: 58e185a0dc35 ("libbpf: Add btf__distill_base() creating split BTF
with distilled base BTF")
> ---
>  tools/lib/bpf/btf.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c
> index cd5dd6619214..32c00db3b91b 100644
> --- a/tools/lib/bpf/btf.c
> +++ b/tools/lib/bpf/btf.c
> @@ -5431,7 +5431,7 @@ int btf__distill_base(const struct btf *src_btf, struct btf **new_base_btf,
>  	 * BTF available.
>  	 */
>  	new_split = btf__new_empty_split(new_base);
> -	if (!new_split_btf) {
> +	if (!new_split) {
>  		err = -errno;
>  		goto done;
>  	}
patchwork-bot+netdevbpf@kernel.org July 1, 2024, 3:10 p.m. UTC | #2 
Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Sat, 29 Jun 2024 11:00:58 +0100 you wrote:
> Coverity points out that after calling btf__new_empty_split()
> the wrong value is checked for error.
> 
> Reported-by: Andrii Nakryiko <andrii@kernel.org>
> Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
> ---
>  tools/lib/bpf/btf.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Here is the summary with links:
  - [bpf-next] libbpf: fix error handling in btf__distill_base()
    https://git.kernel.org/bpf/bpf-next/c/5b747c23f17d

You are awesome, thank you!
diff mbox series

Patch

diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c
index cd5dd6619214..32c00db3b91b 100644
--- a/tools/lib/bpf/btf.c
+++ b/tools/lib/bpf/btf.c
@@ -5431,7 +5431,7 @@  int btf__distill_base(const struct btf *src_btf, struct btf **new_base_btf,
 	 * BTF available.
 	 */
 	new_split = btf__new_empty_split(new_base);
-	if (!new_split_btf) {
+	if (!new_split) {
 		err = -errno;
 		goto done;
 	}