diff options
| author | Joanne Koong <joannelkoong@gmail.com> | 2022-07-15 22:38:00 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2022-07-19 19:57:04 +0300 |
| commit | bdb2bc7599298ebb677e40fc92b1fa9e69e05098 (patch) | |
| tree | 9fbb9f38158be77f323aa016168c83f3fc2804b8 | |
| parent | a1ac9fd6c6504aa1838930bbfae6217ab6b95945 (diff) | |
| download | linux-bdb2bc7599298ebb677e40fc92b1fa9e69e05098.tar.xz | |
bpf: fix bpf_skb_pull_data documentation
Fix documentation for bpf_skb_pull_data() helper for
when len == 0.
Fixes: fa15601ab31e ("bpf: add documentation for eBPF helpers (33-41)")
Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
Acked-by: Quentin Monnet <quentin@isovalent.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/r/20220715193800.3940070-1-joannelkoong@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| -rw-r--r-- | include/uapi/linux/bpf.h | 3 | ||||
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 379e68fb866f..ffcbf79a556b 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -2361,7 +2361,8 @@ union bpf_attr { * Pull in non-linear data in case the *skb* is non-linear and not * all of *len* are part of the linear section. Make *len* bytes * from *skb* readable and writable. If a zero value is passed for - * *len*, then the whole length of the *skb* is pulled. + * *len*, then all bytes in the linear part of *skb* will be made + * readable and writable. * * This helper is only needed for reading and writing with direct * packet access. diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 379e68fb866f..ffcbf79a556b 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -2361,7 +2361,8 @@ union bpf_attr { * Pull in non-linear data in case the *skb* is non-linear and not * all of *len* are part of the linear section. Make *len* bytes * from *skb* readable and writable. If a zero value is passed for - * *len*, then the whole length of the *skb* is pulled. + * *len*, then all bytes in the linear part of *skb* will be made + * readable and writable. * * This helper is only needed for reading and writing with direct * packet access. |