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libiwinfo: fix integer overflow in dbm to mw conversion, also allow odd dbm numbers
[project/luci.git]
/
contrib
/
package
/
iwinfo
/
src
/
iwinfo_nl80211.c
diff --git
a/contrib/package/iwinfo/src/iwinfo_nl80211.c
b/contrib/package/iwinfo/src/iwinfo_nl80211.c
index
fa714e9
..
0f57d37
100644
(file)
--- a/
contrib/package/iwinfo/src/iwinfo_nl80211.c
+++ b/
contrib/package/iwinfo/src/iwinfo_nl80211.c
@@
-1170,7
+1170,7
@@
int nl80211_get_txpwrlist(const char *ifname, char *buf, int *len)
{
for( dbm_cur = 0, dbm_cnt = 0;
dbm_cur < dbm_max;
- dbm_cur
+= 2
, dbm_cnt++ )
+ dbm_cur
++
, dbm_cnt++ )
{
entry.dbm = dbm_cur;
entry.mw = iwinfo_dbm2mw(dbm_cur);