* [PATCH] i2c: fix i2c-sh_mobile rx underrun
@ 2008-11-13 6:28 Magnus Damm
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From: Magnus Damm @ 2008-11-13 6:28 UTC (permalink / raw)
To: linux-sh
From: Magnus Damm <damm@igel.co.jp>
Fix receive path underrun in i2c-sh_mobile driver.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
---
Paul, can you include this with your other SuperH changes for 2.6.28?
drivers/i2c/busses/i2c-sh_mobile.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- 0001/drivers/i2c/busses/i2c-sh_mobile.c
+++ work/drivers/i2c/busses/i2c-sh_mobile.c 2008-11-11 19:22:49.000000000 +0900
@@ -318,7 +318,8 @@ static int sh_mobile_i2c_isr_rx(struct s
} else
data = i2c_op(pd, OP_RX, 0);
- pd->msg->buf[real_pos] = data;
+ if (real_pos >= 0)
+ pd->msg->buf[real_pos] = data;
} while (0);
pd->pos++;
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2008-11-13 6:28 [PATCH] i2c: fix i2c-sh_mobile rx underrun Magnus Damm
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