From: Al Viro Date: Thu, 20 Dec 2007 00:20:12 +0000 (-0500) Subject: airo: fix endianness bug in ->dBm handling X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=851b3e5e3de0feea7bfee634f99a940648de58c8;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git airo: fix endianness bug in ->dBm handling airo_translate_scan() reads BSSListRid directly, does _not_ byteswap and uses ->dBm (__le16) as host-endian. Signed-off-by: Al Viro Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 24fa0d62efe4..6d4cc684afa6 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -7239,6 +7239,7 @@ static inline char *airo_translate_scan(struct net_device *dev, char * current_val; /* For rates */ int i; char * buf; + u16 dBm; /* First entry *MUST* be the AP MAC address */ iwe.cmd = SIOCGIWAP; @@ -7277,16 +7278,18 @@ static inline char *airo_translate_scan(struct net_device *dev, iwe.u.freq.e = 1; current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN); + dBm = le16_to_cpu(bss->dBm); + /* Add quality statistics */ iwe.cmd = IWEVQUAL; if (ai->rssi) { - iwe.u.qual.level = 0x100 - bss->dBm; - iwe.u.qual.qual = airo_dbm_to_pct( ai->rssi, bss->dBm ); + iwe.u.qual.level = 0x100 - dBm; + iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm); iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_DBM; } else { - iwe.u.qual.level = (bss->dBm + 321) / 2; + iwe.u.qual.level = (dBm + 321) / 2; iwe.u.qual.qual = 0; iwe.u.qual.updated = IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_UPDATED