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authorMichael Krufky <mkrufky@m1k.net>2005-11-08 21:35:47 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-09 07:56:05 -0800
commitc6dd2d5d61b000509e3a7f6c06778b16a4ef10ba (patch)
tree4308921df9c0ecdefdb740941bcea945ad8959c1
parent04a45929e7f00ed4fc7b1d375397f808c8a5d0eb (diff)
[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>
-rw-r--r--drivers/media/dvb/frontends/nxt200x.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c
index 1d729be9b75..d1b9f8b9b43 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;