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| author |   Mauricio Vasquez B <mauricio.vasquez@polito.it> | 2018-10-18 15:16:14 +0200 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2018-10-19 13:24:31 -0700 |
| commit | c9d29f4658a5a6d2c2ba2afeb20ff763fc6286f9 (patch) | |
| tree | 7e6d5a147223d0816abf33e881bd0bb0ea511904 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | bpf: rename stack trace map operations (diff) | |
| download | wireguard-linux-c9d29f4658a5a6d2c2ba2afeb20ff763fc6286f9.tar.xz wireguard-linux-c9d29f4658a5a6d2c2ba2afeb20ff763fc6286f9.zip | |
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 <mauricio.vasquez@polito.it>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions