Tal Lossos 769c18b254 bpf: Change inode_storage's lookup_elem return value from NULL to -EBADF
bpf_fd_inode_storage_lookup_elem() returned NULL when getting a bad FD,
which caused -ENOENT in bpf_map_copy_value. -EBADF error is better than
-ENOENT for a bad FD behaviour.

The patch was partially contributed by CyberArk Software, Inc.

Fixes: 8ea636848aca ("bpf: Implement bpf_local_storage for inodes")
Signed-off-by: Tal Lossos <tallossos@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: KP Singh <kpsingh@kernel.org>
Link: https://lore.kernel.org/bpf/20210307120948.61414-1-tallossos@gmail.com
2021-03-08 16:08:06 +01:00
..
2021-02-24 16:43:39 +01:00
2020-03-13 12:49:52 -07:00
2021-01-24 14:27:20 +01:00
2020-08-28 15:41:30 +02:00
2021-02-12 12:56:53 -08:00