From: Magnus Damm <magnus.damm@gmail.com>
To: linux-sh@vger.kernel.org
Subject: [PATCH] i2c: fix i2c-sh_mobile rx underrun
Date: Thu, 13 Nov 2008 06:28:21 +0000 [thread overview]
Message-ID: <20081113062821.4993.30076.sendpatchset@rx1.opensource.se> (raw)
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++;
reply other threads:[~2008-11-13 6:28 UTC|newest]
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