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[PATCH] dvb: nxt200x: check callback fix

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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>
This commit is contained in:
Michael Krufky 2005-11-08 21:35:47 -08:00 • committed by Linus Torvalds
parent 04a45929e7
commit c6dd2d5d61
1 changed files with 4 additions and 2 deletions
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6
drivers/media/dvb/frontends/nxt200x.c
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@ -557,14 +557,16 @@ static int nxt200x_setup_frontend_parameters (struct dvb_frontend* fe,
case QAM_256: case QAM_256:
/* Set punctured clock for QAM */ /* Set punctured clock for QAM */
/* This is just a guess since I am unable to test it */ /* 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 */ /* set to use cable input */
buf[3] |= 0x08; buf[3] |= 0x08;
break; break;
case VSB_8: case VSB_8:
/* Set non-punctured clock for VSB */ /* 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; break;
default: default:
return -EINVAL; return -EINVAL;