From: Kumar Kartikeya Dwivedi <memxor@gmail.com>
To: bpf@vger.kernel.org
Cc: kernel test robot <lkp@intel.com>,
Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>
Subject: [PATCH bpf-next] bpf: Suppress 'passing zero to PTR_ERR' warning
Date: Sat, 21 May 2022 18:56:20 +0530 [thread overview]
Message-ID: <20220521132620.1976921-1-memxor@gmail.com> (raw)
Kernel Test Robot complains about passing zero to PTR_ERR for the said
line, suppress it by using PTR_ERR_OR_ZERO.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
---
kernel/bpf/verifier.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 14e8c17d3d8d..45153cbc2bd6 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -5352,7 +5352,7 @@ static int process_kptr_func(struct bpf_verifier_env *env, int regno,
return -EINVAL;
}
if (!map_value_has_kptrs(map_ptr)) {
- ret = PTR_ERR(map_ptr->kptr_off_tab);
+ ret = PTR_ERR_OR_ZERO(map_ptr->kptr_off_tab);
if (ret == -E2BIG)
verbose(env, "map '%s' has more than %d kptr\n", map_ptr->name,
BPF_MAP_VALUE_OFF_MAX);
--
2.36.1
next reply other threads:[~2022-05-21 13:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-21 13:26 Kumar Kartikeya Dwivedi [this message]
2022-05-23 21:20 ` [PATCH bpf-next] bpf: Suppress 'passing zero to PTR_ERR' warning patchwork-bot+netdevbpf
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