arehbein has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bsc/+/31972 )
Change subject: gsm_bts_check_ny1: Prevent possible division by zero ......................................................................
gsm_bts_check_ny1: Prevent possible division by zero
No minimal (positive) value is mentioned in 3GPP TS 44.018, so 0 is a configurable value for T3105
Fixes: Coverity scan CID#307389 Change-Id: I1fd0b92ab507a58fed6e9649eaa4770f1ad1cbad --- M src/osmo-bsc/bts.c 1 file changed, 16 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/72/31972/1
diff --git a/src/osmo-bsc/bts.c b/src/osmo-bsc/bts.c index 108c355..14bdce7 100644 --- a/src/osmo-bsc/bts.c +++ b/src/osmo-bsc/bts.c @@ -1726,6 +1726,10 @@ { unsigned long T3105, ny1, ny1_recommended; T3105 = osmo_tdef_get(bts->network->T_defs, 3105, OSMO_TDEF_MS, -1); + if (!T3105) { + LOGP(DNM, LOGL_INFO, "T3105 is set to zero\n"); + return false; + } ny1 = osmo_tdef_get(bts->network->T_defs, -3105, OSMO_TDEF_CUSTOM, -1); if (!(T3105 * ny1 > GSM_T3124_MAX + GSM_NY1_REQ_DELTA)) { /* See comment for GSM_NY1_DEFAULT */