diff options
| author | Sylvain Munaut <tnt@246tNt.com> | 2011-10-17 22:04:46 +0200 |
|---|---|---|
| committer | Sylvain Munaut <tnt@246tNt.com> | 2011-10-17 22:04:46 +0200 |
| commit | 8b388923e72956155f15e00bf6a7d44785daaa65 (patch) | |
| tree | 3c41687eafa5aab32684a61f573101f808b5115a /src/gmr1_rx.c | |
| parent | dd331b4b311a7c1afa90e11df037d0310340884b (diff) | |
apps/gmr1_rx: Protect against negative alignement
In the code we have margin because of START_DISCARD, but if someone
modifies that it could cause an unexpected crash.
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Diffstat (limited to 'src/gmr1_rx.c')
| -rw-r--r-- | src/gmr1_rx.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gmr1_rx.c b/src/gmr1_rx.c index 9f30a8a..c31911b 100644 --- a/src/gmr1_rx.c +++ b/src/gmr1_rx.c @@ -168,6 +168,8 @@ fcch_multi_process(struct chan_desc *cd, fcch_multi_cb_t cb) /* Multi FCCH detection (need 650 ms of signals) */ base_align = cd->align - GMR1_FCCH_SYMS * cd->sps; + if (base_align < 0) + base_align = 0; rv = win_map(win, cd->bcch, base_align, (650 * GMR1_SYM_RATE * cd->sps) / 1000); if (rv) { |