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List: linux-netdev
Subject: [PATCH net 2/3] net: inet_recvmsg(): Remove unnecessary bitwise operation
From: Michael Witten <mfwitten () gmail ! com>
Date: 2017-10-01 22:19:14
Message-ID: b03bf542933d4dbcb76427f7f4c724e5-mfwitten () gmail ! com
[Download RAW message or body]
Date: Fri, 8 Sep 2017 00:47:49 +0000
The flag `MSG_DONTWAIT' is handled by passing an argument through
the dedicated parameter `nonblock' of the function `tcp_recvmsg()'.
Presumably because `MSG_DONTWAIT' is handled so explicitly, it is
unset in the collection of flags that are passed to `tcp_recvmsg()';
yet, this unsetting appears to be unnecessary, and so this commit
removes the bitwise operation that performs the unsetting.
Signed-off-by: Michael Witten <mfwitten@gmail.com>
---
net/ipv4/af_inet.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index e31108e5ef79..2dbed042a412 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -791,7 +791,7 @@ int inet_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
sock_rps_record_flow(sk);
err = sk->sk_prot->recvmsg(sk, msg, size, flags & MSG_DONTWAIT,
- flags & ~MSG_DONTWAIT, &addr_len);
+ flags, &addr_len);
if (err >= 0)
msg->msg_namelen = addr_len;
return err;
--
2.14.1
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