phonet: no longer hold RTNL in route_dumpit()

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route_dumpit() already relies on RCU, RTNL is not needed.

Also change return value at the end of a dump.
This allows NLMSG_DONE to be appended to the current
skb at the end of a dump, saving a couple of recvmsg()
system calls.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Remi Denis-Courmont <courmisch@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240507121748.416287-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Eric Dumazet 2024-05-07 12:17:48 +00:00 • committed by Jakub Kicinski

parent 8d8b1a422c

commit 58a4ff5d77

1 changed files with 9 additions and 8 deletions

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net/phonet/pn_netlink.c

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