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net/9p: set error to EREMOTEIO if trans->write returns zero

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If trans->write returns 0, p9_write_work goes through the error path, but
sets the error code to zero.

This patch sets the error code to EREMOTEIO if trans->write returns zero
value.

Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
This commit is contained in:
Latchesar Ionkov 2007-07-11 15:14:46 -06:00 committed by Eric Van Hensbergen
parent e46662be7f
commit 1d6b560238
1 changed files with 5 additions and 1 deletions
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6
net/9p/mux.c
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@ -505,8 +505,12 @@ again:
return;
}
if (err <= 0)
if (err < 0)
goto error;
else if (err == 0) {
err = -EREMOTEIO;
goto error;
}
m->wpos += err;
if (m->wpos == m->wsize)