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tcp: Remove 'recvmsg' goto from tcp_data_from_sock

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This goto can be handled just as simply and more clearly with a do while.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2023-02-16 16:43:10 +11:00 committed by Stefano Brivio
parent 42bfd212b1
commit 83b2061ae7
1 changed files with 5 additions and 6 deletions
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11
tcp.c
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@ -2186,13 +2186,12 @@ static int tcp_data_from_sock(struct ctx *c, struct tcp_tap_conn *conn)
iov_sock[fill_bufs].iov_len = iov_rem; iov_sock[fill_bufs].iov_len = iov_rem;
/* Receive into buffers, don't dequeue until acknowledged by guest. */ /* Receive into buffers, don't dequeue until acknowledged by guest. */
recvmsg: do
len = recvmsg(s, &mh_sock, MSG_PEEK); len = recvmsg(s, &mh_sock, MSG_PEEK);
if (len < 0) { while (len < 0 && errno == EINTR);
if (errno == EINTR)
goto recvmsg; if (len < 0)
goto err; goto err;
}
if (!len) if (!len)
goto zero_len; goto zero_len;