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| author |   David S. Miller <davem@davemloft.net> | 2017-08-10 12:11:16 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-10 12:11:16 -0700 |
| commit | 3b2b69efeca734b78bc85fd02253b0465bb2bec7 (patch) | |
| tree | 57fd8b5b0e9c04f24f5f9ec70ceb0a706cecfb47 /net/packet/af_packet.c | |
| parent | Merge branch 'rtnetlink-fix-initial-rtnl-pushdown-fallout' (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | linux-dev-3b2b69efeca734b78bc85fd02253b0465bb2bec7.tar.xz linux-dev-3b2b69efeca734b78bc85fd02253b0465bb2bec7.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Mainline had UFO fixes, but UFO is removed in net-next so we
take the HEAD hunks.
Minor context conflict in bcmsysport statistics bug fix.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/packet/af_packet.c')
| -rw-r--r-- | net/packet/af_packet.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 5a178047a7ce..f31cb71172e0 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -3698,14 +3698,19 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv if (optlen != sizeof(val)) return -EINVAL; - if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) - return -EBUSY; if (copy_from_user(&val, optval, sizeof(val))) return -EFAULT; if (val > INT_MAX) return -EINVAL; - po->tp_reserve = val; - return 0; + lock_sock(sk); + if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) { + ret = -EBUSY; + } else { + po->tp_reserve = val; + ret = 0; + } + release_sock(sk); + return ret; } case PACKET_LOSS: { |