This is a note to let you know that I've just added the patch titled rtlwifi: rtl8821ae: Fix an expression that is always false to the 4.2-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rtlwifi-rtl8821ae-fix-an-expression-that-is-always-false.patch and it can be found in the queue-4.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 251086f588720277a6f5782020a648ce32c4e00b Mon Sep 17 00:00:00 2001 From: Larry Finger <Larry.Finger@xxxxxxxxxxxx> Date: Wed, 8 Jul 2015 10:18:50 -0500 Subject: rtlwifi: rtl8821ae: Fix an expression that is always false From: Larry Finger <Larry.Finger@xxxxxxxxxxxx> commit 251086f588720277a6f5782020a648ce32c4e00b upstream. In routine _rtl8821ae_set_media_status(), an incorrect mask results in a test for AP status to always be false. Similar bugs were fixed in rtl8192cu and rtl8192de, but this instance was missed at that time. Reported-by: David Binderman <dcb314@xxxxxxxxxxx> Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx> Cc: David Binderman <dcb314@xxxxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/wireless/rtlwifi/rtl8821ae/hw.c | 2 +- drivers/net/wireless/rtlwifi/rtl8821ae/reg.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) --- a/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c @@ -2180,7 +2180,7 @@ static int _rtl8821ae_set_media_status(s rtl_write_byte(rtlpriv, MSR, bt_msr); rtlpriv->cfg->ops->led_control(hw, ledaction); - if ((bt_msr & 0xfc) == MSR_AP) + if ((bt_msr & MSR_MASK) == MSR_AP) rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x00); else rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x66); --- a/drivers/net/wireless/rtlwifi/rtl8821ae/reg.h +++ b/drivers/net/wireless/rtlwifi/rtl8821ae/reg.h @@ -429,6 +429,7 @@ #define MSR_ADHOC 0x01 #define MSR_INFRA 0x02 #define MSR_AP 0x03 +#define MSR_MASK 0x03 #define RRSR_RSC_OFFSET 21 #define RRSR_SHORT_OFFSET 23 Patches currently in stable-queue which might be from Larry.Finger@xxxxxxxxxxxx are queue-4.2/rtlwifi-rtl8821ae-fix-an-expression-that-is-always-false.patch queue-4.2/rtlwifi-rtl8192cu-add-new-device-id.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html