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[PATCH] knfsd: SUNRPC: Don't set msg_name and msg_namelen when calling sock_recvmsg
Clean-up: msg_name and msg_namelen are not used by sock_recvmsg, so don't bother to set them in svc_recvfrom. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -569,21 +569,13 @@ static int
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svc_recvfrom(struct svc_rqst *rqstp, struct kvec *iov, int nr, int buflen)
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{
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struct svc_sock *svsk = rqstp->rq_sock;
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struct msghdr msg;
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struct socket *sock;
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struct msghdr msg = {
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.msg_flags = MSG_DONTWAIT,
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};
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int len;
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rqstp->rq_addrlen = sizeof(rqstp->rq_addr);
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sock = svsk->sk_sock;
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msg.msg_name = &rqstp->rq_addr;
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msg.msg_namelen = sizeof(rqstp->rq_addr);
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msg.msg_control = NULL;
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msg.msg_controllen = 0;
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msg.msg_flags = MSG_DONTWAIT;
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len = kernel_recvmsg(sock, &msg, iov, nr, buflen, MSG_DONTWAIT);
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len = kernel_recvmsg(svsk->sk_sock, &msg, iov, nr, buflen,
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msg.msg_flags);
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/* sock_recvmsg doesn't fill in the name/namelen, so we must..
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*/
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@ -591,7 +583,7 @@ svc_recvfrom(struct svc_rqst *rqstp, struct kvec *iov, int nr, int buflen)
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rqstp->rq_addrlen = svsk->sk_remotelen;
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dprintk("svc: socket %p recvfrom(%p, %Zu) = %d\n",
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rqstp->rq_sock, iov[0].iov_base, iov[0].iov_len, len);
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svsk, iov[0].iov_base, iov[0].iov_len, len);
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return len;
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}
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