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authorAl Viro <viro@zeniv.linux.org.uk>2007-12-19 19:20:12 -0500
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:08:50 -0800
commit851b3e5e3de0feea7bfee634f99a940648de58c8 (patch)
tree032fb6cc78ea998127aa9cd81acd718dad8ac81f
parent977b143c13e685081625704ac356b741d71c6a73 (diff)
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 <viro@zeniv.linux.org.uk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/airo.c9
1 files changed, 6 insertions, 3 deletions
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