From 54828d19f82be0d62e22fbd5a6354136c50a20eb Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Thu, 15 Dec 2011 10:30:38 -0300 Subject: [PATCH] [media] lgdt330x: warn on errors blasting modulation config to the lgdt3303 fix the following build warning: lgdt330x.c: In function "lgdt330x_set_parameters": lgdt330x.c:346:6: warning: variable "err" set but not used [-Wunused-but-set-variable] Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/lgdt330x.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c index d45827158a24..c39d8d63979b 100644 --- a/drivers/media/dvb/frontends/lgdt330x.c +++ b/drivers/media/dvb/frontends/lgdt330x.c @@ -347,7 +347,7 @@ static int lgdt330x_set_parameters(struct dvb_frontend* fe, static u8 top_ctrl_cfg[] = { TOP_CONTROL, 0x03 }; - int err; + int err = 0; /* Change only if we are actually changing the modulation */ if (state->current_modulation != param->u.vsb.modulation) { switch(param->u.vsb.modulation) { @@ -402,6 +402,11 @@ static int lgdt330x_set_parameters(struct dvb_frontend* fe, printk(KERN_WARNING "lgdt330x: %s: Modulation type(%d) UNSUPPORTED\n", __func__, param->u.vsb.modulation); return -1; } + if (err < 0) + printk(KERN_WARNING "lgdt330x: %s: error blasting " + "bytes to lgdt3303 for modulation type(%d)\n", + __func__, param->u.vsb.modulation); + /* * select serial or parallel MPEG harware interface * Serial: 0x04 for LGDT3302 or 0x40 for LGDT3303 -- 2.20.1