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Merge tag 'ieee802154-for-net-2022-10-05' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan

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Stefan Schmidt says:

====================
pull-request: ieee802154 for net 2022-10-05

Only two patches this time around. A revert from Alexander Aring to a patch
that hit net and the updated patch to fix the problem from Tetsuo Handa.

* tag 'ieee802154-for-net-2022-10-05' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan:
  net/ieee802154: don't warn zero-sized raw_sendmsg()
  Revert "net/ieee802154: reject zero-sized raw_sendmsg()"
====================

Link: https://lore.kernel.org/r/20221005144508.787376-1-stefan@datenfreihafen.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2022-10-05 20:38:46 -07:00
commit 1d22f78d05
1 changed files with 4 additions and 3 deletions
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7
net/ieee802154/socket.c
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@ -251,9 +251,6 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
return -EOPNOTSUPP;
}
if (!size)
return -EINVAL;
lock_sock(sk);
if (!sk->sk_bound_dev_if)
dev = dev_getfirstbyhwtype(sock_net(sk), ARPHRD_IEEE802154);
@ -275,6 +272,10 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
err = -EMSGSIZE;
goto out_dev;
}
if (!size) {
err = 0;
goto out_dev;
}
hlen = LL_RESERVED_SPACE(dev);
tlen = dev->needed_tailroom;