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(parent: 41ee014) | patch
bpf, net: Introduce skb_pointer_if_linear().
authorAlexei Starovoitov <ast@kernel.org>
Tue, 18 Jul 2023 23:40:21 +0000 (16:40 -0700)
committerAlexei Starovoitov <ast@kernel.org>
Wed, 19 Jul 2023 17:27:33 +0000 (10:27 -0700)
commit6f5a630d7c57cd79b1f526a95e757311e32d41e5
treea38fb261189c7792e55d31086e94082507e41fd0tree | snapshot
parent41ee0145a4ea7f6971c02a6dddef20d6cd806270commit | diff
bpf, net: Introduce skb_pointer_if_linear().

Network drivers always call skb_header_pointer() with non-null buffer.
Remove !buffer check to prevent accidental misuse of skb_header_pointer().
Introduce skb_pointer_if_linear() instead.

Reported-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20230718234021.43640-1-alexei.starovoitov@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
include/linux/skbuff.h diff | blob | history
kernel/bpf/helpers.c diff | blob | history
Domain: System / Kernel;