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authorOliver Hartkopp <socketcan@hartkopp.net>2022-04-11 14:49:55 +0200
committerPaolo Abeni <pabeni@redhat.com>2022-04-12 15:00:25 +0200
commitec095263a965720e1ca39db1d9c5cd47846c789b (patch)
treef88e25dfa22ee4da19c1cba18eac627aec42aebb /net/dccp
parentf01598090048f5f732ea7aa64b2f194131ce60d2 (diff)
downloadlinux-ec095263a965720e1ca39db1d9c5cd47846c789b.tar.bz2
net: remove noblock parameter from recvmsg() entities
The internal recvmsg() functions have two parameters 'flags' and 'noblock' that were merged inside skb_recv_datagram(). As a follow up patch to commit f4b41f062c42 ("net: remove noblock parameter from skb_recv_datagram()") this patch removes the separate 'noblock' parameter for recvmsg(). Analogue to the referenced patch for skb_recv_datagram() the 'flags' and 'noblock' parameters are unnecessarily split up with e.g. err = sk->sk_prot->recvmsg(sk, msg, size, flags & MSG_DONTWAIT, flags & ~MSG_DONTWAIT, &addr_len); or in err = INDIRECT_CALL_2(sk->sk_prot->recvmsg, tcp_recvmsg, udp_recvmsg, sk, msg, size, flags & MSG_DONTWAIT, flags & ~MSG_DONTWAIT, &addr_len); instead of simply using only flags all the time and check for MSG_DONTWAIT where needed (to preserve for the formerly separated no(n)block condition). Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Link: https://lore.kernel.org/r/20220411124955.154876-1-socketcan@hartkopp.net Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/dccp.h4
-rw-r--r--net/dccp/proto.c6
2 files changed, 5 insertions, 5 deletions
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 671c377f0889..7dfc00c9fb32 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -293,8 +293,8 @@ int dccp_setsockopt(struct sock *sk, int level, int optname,
sockptr_t optval, unsigned int optlen);
int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg);
int dccp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size);
-int dccp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock,
- int flags, int *addr_len);
+int dccp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int flags,
+ int *addr_len);
void dccp_shutdown(struct sock *sk, int how);
int inet_dccp_listen(struct socket *sock, int backlog);
__poll_t dccp_poll(struct file *file, struct socket *sock,
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index a976b4d29892..58421f94427e 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -791,8 +791,8 @@ out_discard:
EXPORT_SYMBOL_GPL(dccp_sendmsg);
-int dccp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock,
- int flags, int *addr_len)
+int dccp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int flags,
+ int *addr_len)
{
const struct dccp_hdr *dh;
long timeo;
@@ -804,7 +804,7 @@ int dccp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock,
goto out;
}
- timeo = sock_rcvtimeo(sk, nonblock);
+ timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
do {
struct sk_buff *skb = skb_peek(&sk->sk_receive_queue);