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Date: Thu, 22 Apr 2010 12:53:41 -0700 From: Greg KH <gregkh@...e.de> To: linux-kernel@...r.kernel.org, stable@...nel.org Cc: stable-review@...nel.org, torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Felix Fietkau <nbd@...nwrt.org>, "John W. Linville" <linville@...driver.com> Subject: [044/139] ath9k: fix double calls to ath_radio_enable 2.6.33-stable review patch. If anyone has any objections, please let us know. ------------------ From: Felix Fietkau <nbd@...nwrt.org> commit 1144601118507f8b3b676a9a392584d216d3f2cc upstream. With the enable_radio being uninitialized, ath_radio_enable() might be called twice, which can leave some hardware in an undefined state. Signed-off-by: Felix Fietkau <nbd@...nwrt.org> Signed-off-by: John W. Linville <linville@...driver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> --- drivers/net/wireless/ath/ath9k/main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -2721,8 +2721,7 @@ static int ath9k_config(struct ieee80211 all_wiphys_idle = ath9k_all_wiphys_idle(sc); ath9k_set_wiphy_idle(aphy, idle); - if (!idle && all_wiphys_idle) - enable_radio = true; + enable_radio = (!idle && all_wiphys_idle); /* * After we unlock here its possible another wiphy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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