diff options
| author | Kumar Kartikeya Dwivedi <memxor@gmail.com> | 2022-05-21 18:56:20 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-17 14:42:35 +0200 |
| commit | d93dbef95c08516d39d83c1b9e5b12944da60253 (patch) | |
| tree | 8bd2b6cb2c48acce4c03507515b31c206d5b52b0 | |
| parent | 5ec69b21da8019cf27448ff64fd195d294be9535 (diff) | |
bpf: Suppress 'passing zero to PTR_ERR' warning
commit 1ec5ee8c8a5a65ea377f8bea64bf4d5b743f6f79 upstream.
Kernel Test Robot complains about passing zero to PTR_ERR for the said
line, suppress it by using PTR_ERR_OR_ZERO.
Fixes: c0a5a21c25f3 ("bpf: Allow storing referenced kptr in map")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220521132620.1976921-1-memxor@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | kernel/bpf/verifier.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 93c98f95901e..839340d4cc29 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -5327,7 +5327,7 @@ 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); |