netlink: Introduce nlmsg_payload helper

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Create a new helper function, nlmsg_payload(), to simplify checking and
retrieving Netlink message payloads.

This reduces boilerplate code for users who need to verify the message
length before accessing its data.

Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250414-nlmsg-v2-1-3d90cb42c6af@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Breno Leitao 2025-04-14 06:24:07 -07:00 • committed by Jakub Kicinski

parent 0418711f60

commit 95d06e92a4

1 changed files with 16 additions and 0 deletions

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include/net/netlink.h

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