net/9p: set error to EREMOTEIO if trans->write returns zero
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>
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@ -505,8 +505,12 @@ again:
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return;
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return;
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}
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}
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if (err <= 0)
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if (err < 0)
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goto error;
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goto error;
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else if (err == 0) {
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err = -EREMOTEIO;
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goto error;
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}
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m->wpos += err;
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m->wpos += err;
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if (m->wpos == m->wsize)
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if (m->wpos == m->wsize)
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