[PATCH 08/27] ov7670: check read error also for REG_AECHH on ov7670_s_exp()

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ov7670_s_exp() checks read error for 2 registers: REG_COM1
and REG_COM8. But, although it uses the value latter, it
doesn't check errors on REG_AECHH read. Yet, as it is doing
a bitmask operation there, the read operation should succeed.

So, fix the code to also check if this succeeded.

This fixes this smatch report:
	drivers/media/i2c/ov7670.c:1366 ov7670_s_exp() warn: inconsistent indenting

Compile-tested only.

Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>

diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c
index b9847527eb5a..f2fe20aad274 100644
--- a/drivers/media/i2c/ov7670.c
+++ b/drivers/media/i2c/ov7670.c
@@ -1362,7 +1362,7 @@ static int ov7670_s_exp(struct v4l2_subdev *sd, int value)
 	unsigned char com1, com8, aech, aechh;
 
 	ret = ov7670_read(sd, REG_COM1, &com1) +
-		ov7670_read(sd, REG_COM8, &com8);
+		ov7670_read(sd, REG_COM8, &com8) +
 		ov7670_read(sd, REG_AECHH, &aechh);
 	if (ret)
 		return ret;
-- 
2.1.0

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