path: root/net/packet/af_packet.c
diff options
authorOliver Hartkopp <>2022-04-04 18:30:22 +0200
committerDavid S. Miller <>2022-04-06 13:45:26 +0100
commitf4b41f062c424209e3939a81e6da022e049a45f2 (patch)
treecd8e8a16fb7cc256ad2a0f4136b169bce3d40e47 /net/packet/af_packet.c
parent0b5c21bbc01e92745ca1ca4f6fd87d878fa3ea5e (diff)
net: remove noblock parameter from skb_recv_datagram()
skb_recv_datagram() has two parameters 'flags' and 'noblock' that are merged inside skb_recv_datagram() by 'flags | (noblock ? MSG_DONTWAIT : 0)' As 'flags' may contain MSG_DONTWAIT as value most callers split the 'flags' into 'flags' and 'noblock' with finally obsolete bit operations like this: skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &rc); And this is not even done consistently with the 'flags' parameter. This patch removes the obsolete and costly splitting into two parameters and only performs bit operations when really needed on the caller side. One missing conversion thankfully reported by kernel test robot. I missed to enable kunit tests to build the mctp code. Reported-by: kernel test robot <> Signed-off-by: Oliver Hartkopp <> Signed-off-by: David S. Miller <>
Diffstat (limited to 'net/packet/af_packet.c')
1 files changed, 1 insertions, 1 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c39c09899fd0..d3caaf4d4b3e 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -3421,7 +3421,7 @@ static int packet_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
* but then it will block.
- skb = skb_recv_datagram(sk, flags, flags & MSG_DONTWAIT, &err);
+ skb = skb_recv_datagram(sk, flags, &err);
* An error occurred so return it. Because skb_recv_datagram()