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

Message ID 20170623223700.GA12476@embeddedgus (mailing list archive)
State New, archived
Headers show

Commit Message

Gustavo A. R. Silva June 23, 2017, 10:37 p.m. UTC
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
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
 drivers/media/i2c/tvp5150.c | 25 +++++++++++--------------
 1 file changed, 11 insertions(+), 14 deletions(-)
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Patch

diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 04e96b3..2fcd2e5 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -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;
 }