[PATCH] dvb: nxt200x: check callback fix
Check that a callback (set_ts_params) is set before calling it.
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Cc: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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 @@
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;
