i2c: fix i2c-sh_mobile rx underrun
Fix receive path underrun in i2c-sh_mobile driver. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -318,7 +318,8 @@ static int sh_mobile_i2c_isr_rx(struct sh_mobile_i2c_data *pd)
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} else
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data = i2c_op(pd, OP_RX, 0);
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pd->msg->buf[real_pos] = data;
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if (real_pos >= 0)
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pd->msg->buf[real_pos] = data;
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} while (0);
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pd->pos++;
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