diff options
| author | Andreas Eversberg <jolly@eversberg.eu> | 2012-11-05 10:47:59 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2012-11-05 12:30:09 +0100 |
| commit | d430ef443acf02d52ed4945ef272c9f49066647c (patch) | |
| tree | 62ff7b26897d7ed9f50c1d90e887b47ab37ad251 | |
| parent | 6ad25f290e8cb697115a4170d6fbff66f3128528 (diff) | |
GSM48: Avoid unaligned access in gsm48_construct_ra
This avoids an unaligned access on platforms that don't support them,
such as ARMv4/ARMv5.
| -rw-r--r-- | src/gsm/gsm48.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/gsm/gsm48.c b/src/gsm/gsm48.c index fe62dee7..ea05d450 100644 --- a/src/gsm/gsm48.c +++ b/src/gsm/gsm48.c @@ -416,6 +416,7 @@ int gsm48_construct_ra(uint8_t *buf, const struct gprs_ra_id *raid) { uint16_t mcc = raid->mcc; uint16_t mnc = raid->mnc; + uint16_t _lac; buf[0] = ((mcc / 100) % 10) | (((mcc / 10) % 10) << 4); buf[1] = (mcc % 10); @@ -430,7 +431,8 @@ int gsm48_construct_ra(uint8_t *buf, const struct gprs_ra_id *raid) buf[2] = ((mnc / 100) % 10) | (((mnc / 10) % 10) << 4); } - *(uint16_t *)(buf+3) = htons(raid->lac); + _lac = htons(raid->lac); + memcpy(buf + 3, &_lac, 2); buf[5] = raid->rac; |