From f399616db8ceb42d2998a9c413a4c3c012cbe135 Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Mon, 5 Mar 2012 17:52:46 +0000 Subject: [PATCH] iwinfo: fix integer overflow in assoclist rate reporting (#11073) SVN-Revision: 30825 --- package/iwinfo/Makefile | 2 +- package/iwinfo/src/include/iwinfo.h | 2 +- package/iwinfo/src/iwinfo_cli.c | 3 ++- 3 files changed, 4 insertions(+), 3 deletions(-) diff --git a/package/iwinfo/Makefile b/package/iwinfo/Makefile index f74fe2f1f9..db8a3da25f 100644 --- a/package/iwinfo/Makefile +++ b/package/iwinfo/Makefile @@ -7,7 +7,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=libiwinfo -PKG_RELEASE:=31 +PKG_RELEASE:=32 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME) PKG_CONFIG_DEPENDS := \ diff --git a/package/iwinfo/src/include/iwinfo.h b/package/iwinfo/src/include/iwinfo.h index 9e78bab70e..868c10b359 100644 --- a/package/iwinfo/src/include/iwinfo.h +++ b/package/iwinfo/src/include/iwinfo.h @@ -61,7 +61,7 @@ extern const char *IWINFO_OPMODE_NAMES[]; struct iwinfo_rate_entry { - uint16_t rate; + uint32_t rate; int8_t mcs; uint8_t is_40mhz:1; uint8_t is_short_gi:1; diff --git a/package/iwinfo/src/iwinfo_cli.c b/package/iwinfo/src/iwinfo_cli.c index 0fdb21ec67..7ec5aef95c 100644 --- a/package/iwinfo/src/iwinfo_cli.c +++ b/package/iwinfo/src/iwinfo_cli.c @@ -134,7 +134,8 @@ static char * format_rate(int rate) if (rate <= 0) snprintf(buf, sizeof(buf), "unknown"); else - snprintf(buf, sizeof(buf), "%.1f MBit/s", ((float)rate / 1000.0)); + snprintf(buf, sizeof(buf), "%d.%d MBit/s", + rate / 1000, (rate % 1000) / 100); return buf; } -- 2.30.2