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i2c: tvp5150: remove useless variable assignment in tvp5150_set_vbi()

PATCH New Gustavo A. R. Silva 1 participant 1 message Jun 23, 2017 Media (V4L/DVB)

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PATCH 1/1 i2c: tvp5150: remove useless variable assignment in tvp5150_set_vbi()

Value assigned to variable _type_ at line 678 is overwritten at line 688 before it can be used. This makes such variable assignment useless.

Remove this variable assignment and fix some coding style issues.

Addresses-Coverity-ID: 1226968

---
 drivers/media/i2c/tvp5150.c | 25 +++++++++++--------------
 1 file changed, 11 insertions(+), 14 deletions(-)
drivers/media/i2c/tvp5150.c +11 -14
index 04e96b3..2fcd2e5 100644
@@ -658,7 +658,7 @@ static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 	struct tvp5150 *decoder = to_tvp5150(sd);
 	v4l2_std_id std = decoder->norm;
 	u8 reg;
-	int pos=0;
+	int pos = 0;
 
 	if (std == V4L2_STD_ALL) {
 		dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
@@ -668,33 +668,30 @@ static int tvp5150_set_vbi(struct v4l2_subdev *sd,
 		line += 3;
 	}
 
-	if (line<6||line>27)
+	if (line < 6 || line > 27)
 		return 0;
 
-	while (regs->reg != (u16)-1 ) {
+	while (regs->reg != (u16)-1) {
 		if ((type & regs->type.vbi_type) &&
-		    (line>=regs->type.ini_line) &&
-		    (line<=regs->type.end_line)) {
-			type=regs->type.vbi_type;
+		    (line >= regs->type.ini_line) &&
+		    (line <= regs->type.end_line))
 			break;
-		}
 
 		regs++;
 		pos++;
 	}
+
 	if (regs->reg == (u16)-1)
 		return 0;
 
-	type=pos | (flags & 0xf0);
-	reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
+	type = pos | (flags & 0xf0);
+	reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
 
-	if (fields&1) {
+	if (fields & 1)
 		tvp5150_write(sd, reg, type);
-	}
 
-	if (fields&2) {
-		tvp5150_write(sd, reg+1, type);
-	}
+	if (fields & 2)
+		tvp5150_write(sd, reg + 1, type);
 
 	return type;
 }
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