[PATCH bpf-next] bpf: Suppress 'passing zero to PTR_ERR' warning

[PATCH bpf-next] bpf: Suppress 'passing zero to PTR_ERR' warning

[Kumar Kartikeya Dwivedi]

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

Re: [PATCH bpf-next] bpf: Suppress 'passing zero to PTR_ERR' warning

[patchwork-bot+netdevbpf]

Hello:

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

On Sat, 21 May 2022 18:56:20 +0530 you wrote:
> 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(-)
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpf: Suppress 'passing zero to PTR_ERR' warning
    https://git.kernel.org/bpf/bpf-next/c/1ec5ee8c8a5a

You are awesome, thank you!
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