diff options
| author | Mauricio Vasquez B <[email protected]> | 2018-10-18 15:16:14 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <[email protected]> | 2018-10-19 13:24:31 -0700 |
| commit | c9d29f4658a5a6d2c2ba2afeb20ff763fc6286f9 (patch) | |
| tree | 7e6d5a147223d0816abf33e881bd0bb0ea511904 /kernel/bpf/queue_stack_maps.c | |
| parent | 144991602e6a14d667b295f1b099e609ce857772 (diff) | |
bpf/syscall: allow key to be null in map functions
This commit adds the required logic to allow key being NULL
in case the key_size of the map is 0.
A new __bpf_copy_key function helper only copies the key from
userpsace when key_size != 0, otherwise it enforces that key must be
null.
Signed-off-by: Mauricio Vasquez B <[email protected]>
Acked-by: Song Liu <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Diffstat (limited to 'kernel/bpf/queue_stack_maps.c')
0 files changed, 0 insertions, 0 deletions