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Don't crash if transport is not yet mapped to a channel

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This commit is contained in:
Andreas Öman 2008-05-02 10:00:38 +00:00
parent ebef63e33f
commit 9d6411b7d2
1 changed files with 3 additions and 0 deletions
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3
teletext.c
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@ -184,6 +184,9 @@ tt_decode_line(th_transport_t *t, uint8_t *buf)
tt_decoder_t *ttd = &ch->ch_tt;
tt_page_t *ttp;
if(ch == NULL)
return; /* Not mapped to a channel, do not do anything */
mpag = ham_decode(buf[0], buf[1]);
magidx = mpag & 7;