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[media] lgdt330x: fix behavior of read errors in lgdt330x_read_ucblocks

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initialize *ucblocks to zero & fix the following build warning:

lgdt330x.c: In function "lgdt330x_read_ucblocks":
lgdt330x.c:288:6: warning: variable "err" set but not used
[-Wunused-but-set-variable]

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Michael Krufky 2011-12-15 10:16:09 -03:00 committed by Mauro Carvalho Chehab
parent 7e7b8287af
commit 26110dac8b
1 changed files with 4 additions and 0 deletions
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4
drivers/media/dvb/frontends/lgdt330x.c
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@ -288,6 +288,8 @@ static int lgdt330x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
int err;
u8 buf[2];
*ucblocks = 0;
switch (state->config->demod_chip) {
case LGDT3302:
err = i2c_read_demod_bytes(state, LGDT3302_PACKET_ERR_COUNTER1,
@ -302,6 +304,8 @@ static int lgdt330x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
"Only LGDT3302 and LGDT3303 are supported chips.\n");
err = -ENODEV;
}
if (err < 0)
return err;
*ucblocks = (buf[0] << 8) | buf[1];
return 0;