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respondd-module-airtime: Fix reported noise result (#190) 

The noise value delivered by nl80211 is actually a signed int8. Thus it
must be interpreted as a signed value, too.

Signed-off-by: Tobias Schramm <tobleminer@gmail.com>
This commit is contained in:
Tobias 2018-07-08 20:10:17 +02:00 committed by Matthias Schiffer
parent c34d129afb
commit be2c357859
2 changed files with 5 additions and 2 deletions
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2
net/respondd-module-airtime/Makefile
View File

@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=respondd-module-airtime
PKG_VERSION:=1
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_LICENSE:=BSD-2-Clause

5
net/respondd-module-airtime/src/airtime.c
View File

@ -116,7 +116,10 @@ static int survey_airtime_handler(struct nl_msg *msg, void *arg) {
data_json = json_object_new_int(nla_get_u32(nla));
break;
case sizeof(uint8_t):
data_json = json_object_new_int(nla_get_u8(nla));
if (type == NL80211_SURVEY_INFO_NOISE)
data_json = json_object_new_int((int8_t)nla_get_u8(nla));
else
data_json = json_object_new_int(nla_get_u8(nla));
break;
default:
fprintf(stderr, "respondd-module-airtime: Unexpected NL attribute length: %d\n", nla_len(nla));