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authorChristian Lamparter <chunkeey@googlemail.com>2010-02-07 16:01:55 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-02-08 16:51:02 -0500
commit641eabb0a3717020d1a93d3f91493ab0d826c910 (patch)
tree324789bae511e3800046ac1b1e23105038443d42
parent349e6b7289f8a3d3d5d3b859e00b41f27d1211df (diff)
ath: fix WARN_ON with Polish (Poland) Contry code
This patch fixes a WARN_ON which is triggered by Poland's country code. ath: EEPROM regdomain: 0x8268 ath: EEPROM indicates we should expect a country code ath: doing EEPROM country->regdmn map search ath: country maps to regdmn code: 0x37 ath: Country alpha2 being used: PL ath: Regpair used: 0x37 -----------[ cut here ]------------ WARNING: at drivers/net/wireless/ath/regd.c:155 ath_regd_init+0x30b Pid: 12661, comm: firmware/carl91 2.6.33-rc5-wl #18 Call Trace: [<>] ? warn_slowpath_common+0x76/0x8c [<>] ? ar9170_reg_notifier+0x0/0x2d [carl9170usb] [<>] ? ath_regd_init+0x30b/0x377 [ath] [<>] ? ar9170_register+0x3b3/0x3ca [carl9170usb] [...] ---[ end trace ]--- Note: Poland is just an example. But it is very likely that more country codes are affected. Cc: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/regd.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 039ac490465..04abd1f556b 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -110,8 +110,9 @@ static const struct ieee80211_regdomain ath_world_regdom_67_68_6A = {
static inline bool is_wwr_sku(u16 regd)
{
- return ((regd & WORLD_SKU_MASK) == WORLD_SKU_PREFIX) ||
- (regd == WORLD);
+ return ((regd & COUNTRY_ERD_FLAG) != COUNTRY_ERD_FLAG) &&
+ (((regd & WORLD_SKU_MASK) == WORLD_SKU_PREFIX) ||
+ (regd == WORLD));
}
static u16 ath_regd_get_eepromRD(struct ath_regulatory *reg)