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linuxdvb: add NULL ptr check for frontend on satconf

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This commit is contained in:
Adam Sutton 2013-09-10 23:26:36 +01:00
parent 4fb7dca71e
commit 1253a97177
1 changed files with 9 additions and 3 deletions
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12
src/input/mpegts/linuxdvb/linuxdvb_satconf.c
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@ -326,6 +326,8 @@ static int
linuxdvb_satconf_is_enabled ( mpegts_input_t *mi )
{
linuxdvb_satconf_t *ls = (linuxdvb_satconf_t*)mi;
if (!ls->ls_frontend)
return 0;
return ls->ls_frontend->mi_is_enabled(ls->ls_frontend);
}
@ -333,14 +335,17 @@ static int
linuxdvb_satconf_is_free ( mpegts_input_t *mi )
{
linuxdvb_satconf_t *ls = (linuxdvb_satconf_t*)mi;
int r = ls->ls_frontend->mi_is_free(ls->ls_frontend);
return r;
if (!ls->ls_frontend)
return 0;
return ls->ls_frontend->mi_is_free(ls->ls_frontend);
}
static int
linuxdvb_satconf_current_weight ( mpegts_input_t *mi )
{
linuxdvb_satconf_t *ls = (linuxdvb_satconf_t*)mi;
if (!ls->ls_frontend)
return 0;
return ls->ls_frontend->mi_current_weight(ls->ls_frontend);
}
@ -349,7 +354,8 @@ linuxdvb_satconf_stop_mux
( mpegts_input_t *mi, mpegts_mux_instance_t *mmi )
{
linuxdvb_satconf_t *ls = (linuxdvb_satconf_t*)mi;
ls->ls_frontend->mi_stop_mux(ls->ls_frontend, mmi);
if (ls->ls_frontend)
ls->ls_frontend->mi_stop_mux(ls->ls_frontend, mmi);
gtimer_disarm(&ls->ls_diseqc_timer);
}