diff mbox series

[v5,bpf-next,3/4] selftests/bpf: Fix error checking for cpumask_success__load()

Message ID 20240131145454.86990-4-laoar.shao@gmail.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series bpf: Add bpf_iter_cpumask | expand

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netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
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bpf/vmtest-bpf-next-PR success PR summary

Commit Message

Yafang Shao Jan. 31, 2024, 2:54 p.m. UTC 
We should verify the return value of cpumask_success__load().

Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Cc: David Vernet <void@manifault.com>
---
 tools/testing/selftests/bpf/prog_tests/cpumask.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Comments

Andrii Nakryiko Feb. 2, 2024, 10:03 p.m. UTC | #1 
On Wed, Jan 31, 2024 at 6:57 AM Yafang Shao <laoar.shao@gmail.com> wrote:
>
> We should verify the return value of cpumask_success__load().
>
> Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
> Cc: David Vernet <void@manifault.com>
> ---

Acked-by: Andrii Nakryiko <andrii@kernel.org>



>  tools/testing/selftests/bpf/prog_tests/cpumask.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/tools/testing/selftests/bpf/prog_tests/cpumask.c b/tools/testing/selftests/bpf/prog_tests/cpumask.c
> index c2e886399e3c..ecf89df78109 100644
> --- a/tools/testing/selftests/bpf/prog_tests/cpumask.c
> +++ b/tools/testing/selftests/bpf/prog_tests/cpumask.c
> @@ -27,7 +27,7 @@ static void verify_success(const char *prog_name)
>         struct bpf_program *prog;
>         struct bpf_link *link = NULL;
>         pid_t child_pid;
> -       int status;
> +       int status, err;
>
>         skel = cpumask_success__open();
>         if (!ASSERT_OK_PTR(skel, "cpumask_success__open"))
> @@ -36,8 +36,8 @@ static void verify_success(const char *prog_name)
>         skel->bss->pid = getpid();
>         skel->bss->nr_cpus = libbpf_num_possible_cpus();
>
> -       cpumask_success__load(skel);
> -       if (!ASSERT_OK_PTR(skel, "cpumask_success__load"))
> +       err = cpumask_success__load(skel);
> +       if (!ASSERT_OK(err, "cpumask_success__load"))
>                 goto cleanup;
>
>         prog = bpf_object__find_program_by_name(skel->obj, prog_name);
> --
> 2.39.1
>
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/prog_tests/cpumask.c b/tools/testing/selftests/bpf/prog_tests/cpumask.c
index c2e886399e3c..ecf89df78109 100644
--- a/tools/testing/selftests/bpf/prog_tests/cpumask.c
+++ b/tools/testing/selftests/bpf/prog_tests/cpumask.c
@@ -27,7 +27,7 @@  static void verify_success(const char *prog_name)
 	struct bpf_program *prog;
 	struct bpf_link *link = NULL;
 	pid_t child_pid;
-	int status;
+	int status, err;
 
 	skel = cpumask_success__open();
 	if (!ASSERT_OK_PTR(skel, "cpumask_success__open"))
@@ -36,8 +36,8 @@  static void verify_success(const char *prog_name)
 	skel->bss->pid = getpid();
 	skel->bss->nr_cpus = libbpf_num_possible_cpus();
 
-	cpumask_success__load(skel);
-	if (!ASSERT_OK_PTR(skel, "cpumask_success__load"))
+	err = cpumask_success__load(skel);
+	if (!ASSERT_OK(err, "cpumask_success__load"))
 		goto cleanup;
 
 	prog = bpf_object__find_program_by_name(skel->obj, prog_name);