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slirp: Handle error returns from sosendoob()

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sosendoob() can return a failure code, but all its callers ignore it.
This is OK in sbappend(), as the comment there states -- we will try
again later in sowrite(). Add a (void) cast to tell Coverity so.
In sowrite() we do need to check the return value -- we should handle
a write failure in sosendoob() the same way we handle a write failure
for the normal data.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
This commit is contained in:
Peter Maydell 2017-07-14 12:12:25 +01:00 • committed by Samuel Thibault
parent 0b466065eb
commit 75cb298d90
2 changed files with 18 additions and 7 deletions
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2
slirp/sbuf.c
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@ -91,7 +91,7 @@ sbappend(struct socket *so, struct mbuf *m)
if (so->so_urgc) {
sbappendsb(&so->so_rcv, m);
m_free(m);
sosendoob(so);
(void)sosendoob(so);
return;
}