From c6dd2d5d61b000509e3a7f6c06778b16a4ef10ba Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Tue, 8 Nov 2005 21:35:47 -0800 Subject: [PATCH] [PATCH] dvb: nxt200x: check callback fix Check that a callback (set_ts_params) is set before calling it. Signed-off-by: Michael Krufky Cc: Johannes Stezenbach Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/media/dvb/frontends/nxt200x.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c index 1d729be..d1b9f8b 100644 --- a/drivers/media/dvb/frontends/nxt200x.c +++ b/drivers/media/dvb/frontends/nxt200x.c @@ -557,14 +557,16 @@ static int nxt200x_setup_frontend_parameters (struct dvb_frontend* fe, case QAM_256: /* Set punctured clock for QAM */ /* This is just a guess since I am unable to test it */ - state->config->set_ts_params(fe, 1); + if (state->config->set_ts_params) + state->config->set_ts_params(fe, 1); /* set to use cable input */ buf[3] |= 0x08; break; case VSB_8: /* Set non-punctured clock for VSB */ - state->config->set_ts_params(fe, 0); + if (state->config->set_ts_params) + state->config->set_ts_params(fe, 0); break; default: return -EINVAL; -- 2.7.4