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authorOliver Hartkopp <socketcan@hartkopp.net>2022-04-04 19:30:22 +0300
committerDavid S. Miller <davem@davemloft.net>2022-04-06 15:45:26 +0300
commitf4b41f062c424209e3939a81e6da022e049a45f2 (patch)
treecd8e8a16fb7cc256ad2a0f4136b169bce3d40e47 /net/qrtr
parent0b5c21bbc01e92745ca1ca4f6fd87d878fa3ea5e (diff)
downloadlinux-f4b41f062c424209e3939a81e6da022e049a45f2.tar.xz
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 <lkp@intel.com> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/qrtr')
-rw-r--r--net/qrtr/af_qrtr.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/qrtr/af_qrtr.c b/net/qrtr/af_qrtr.c
index ec2322529727..5c2fb992803b 100644
--- a/net/qrtr/af_qrtr.c
+++ b/net/qrtr/af_qrtr.c
@@ -1035,8 +1035,7 @@ static int qrtr_recvmsg(struct socket *sock, struct msghdr *msg,
return -EADDRNOTAVAIL;
}
- skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
- flags & MSG_DONTWAIT, &rc);
+ skb = skb_recv_datagram(sk, flags, &rc);
if (!skb) {
release_sock(sk);
return rc;