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| author | Martin KaFai Lau <martin.lau@kernel.org> | 2023-03-24 11:42:41 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-03-24 12:40:47 -0700 |
| commit | 55fbae05476df65e5eee8be54f61d0257af0240b (patch) | |
| tree | 32a0ed63009db5289dd0d5082e0b27c8440170a4 /tools/testing/selftests/bpf/progs/tracing_struct.c | |
| parent | 226bc6ae6405c46a6e9865835c36a1d45fc0b3bf (diff) | |
bpf: Check IS_ERR for the bpf_map_get() return value
This patch fixes a mistake in checking NULL instead of
checking IS_ERR for the bpf_map_get() return value.
It also fixes the return value in link_update_map() from -EINVAL
to PTR_ERR(*_map).
Reported-by: syzbot+71ccc0fe37abb458406b@syzkaller.appspotmail.com
Fixes: 68b04864ca42 ("bpf: Create links for BPF struct_ops maps.")
Fixes: aef56f2e918b ("bpf: Update the struct_ops of a bpf_link.")
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Kui-Feng Lee <kuifeng@meta.com>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20230324184241.1387437-1-martin.lau@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/tracing_struct.c')
0 files changed, 0 insertions, 0 deletions