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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Felix Fietkau <nbd@openwrt.org>,
	"John W. Linville" <linville@tuxdriver.com>
Subject: [ 17/28] ath9k: avoid accessing MRC registers on single-chain devices
Date: Tue, 24 Sep 2013 17:07:48 -0700	[thread overview]
Message-ID: <20130925000652.560567713@linuxfoundation.org> (raw)
In-Reply-To: <20130925000648.404447782@linuxfoundation.org>

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Felix Fietkau <nbd@openwrt.org>

commit a1c781bb20ac1e03280e420abd47a99eb8bbdd3b upstream.

They are not implemented, and accessing them might trigger errors

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/ath/ath9k/ar9003_phy.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -1005,6 +1005,10 @@ static bool ar9003_hw_ani_control(struct
 		 * is_on == 0 means MRC CCK is OFF (more noise imm)
 		 */
 		bool is_on = param ? 1 : 0;
+
+		if (ah->caps.rx_chainmask == 1)
+			break;
+
 		REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,
 			      AR_PHY_MRC_CCK_ENABLE, is_on);
 		REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,



  parent reply	other threads:[~2013-09-25  1:45 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-25  0:07 [ 00/28] 3.0.97-stable review Greg Kroah-Hartman
2013-09-25  0:07 ` [ 01/28] SCSI: sd: Fix potential out-of-bounds access Greg Kroah-Hartman
2013-09-25  0:07 ` [ 02/28] crypto: api - Fix race condition in larval lookup Greg Kroah-Hartman
2013-09-25  0:07   ` Greg Kroah-Hartman
2013-09-25  0:07 ` [ 03/28] powerpc: Handle unaligned ldbrx/stdbrx Greg Kroah-Hartman
2013-09-25  0:07 ` [ 04/28] xen-gnt: prevent adding duplicate gnt callbacks Greg Kroah-Hartman
2013-09-25  0:07 ` [ 05/28] ARM: PCI: versatile: Fix SMAP register offsets Greg Kroah-Hartman
2013-09-25  0:07 ` [ 06/28] usb: xhci: Disable runtime PM suspend for quirky controllers Greg Kroah-Hartman
2013-09-25  0:07 ` [ 07/28] cifs: ensure that srv_mutex is held when dealing with ssocket pointer Greg Kroah-Hartman
2013-09-25  0:07 ` [ 08/28] staging: comedi: dt282x: dt282x_ai_insn_read() always fails Greg Kroah-Hartman
2013-09-25  0:07 ` [ 09/28] USB: mos7720: use GFP_ATOMIC under spinlock Greg Kroah-Hartman
2013-09-25  0:07 ` [ 10/28] USB: mos7720: fix big-endian control requests Greg Kroah-Hartman
2013-09-25  0:07 ` [ 11/28] USB: cdc-wdm: fix race between interrupt handler and tasklet Greg Kroah-Hartman
2013-09-25  0:07 ` [ 12/28] usb: config->desc.bLength may not exceed amount of data returned by the device Greg Kroah-Hartman
2013-09-25  0:07 ` [ 13/28] rculist: list_first_or_null_rcu() should use list_entry_rcu() Greg Kroah-Hartman
2013-09-25  0:07 ` [ 14/28] ASoC: wm8960: Fix PLL register writes Greg Kroah-Hartman
2013-09-25  0:07 ` [ 15/28] ALSA: hda - Add Toshiba Satellite C870 to MSI blacklist Greg Kroah-Hartman
2013-09-25  0:07 ` [ 16/28] ath9k: always clear ps filter bit on new assoc Greg Kroah-Hartman
2013-09-25  0:07 ` Greg Kroah-Hartman [this message]
2013-09-25  0:07 ` [ 18/28] HID: pantherlord: validate output report details Greg Kroah-Hartman
2013-09-25  0:07 ` [ 19/28] HID: validate HID report id size Greg Kroah-Hartman
2013-09-25  0:07 ` [ 20/28] HID: ntrig: validate feature report details Greg Kroah-Hartman
2013-09-25  0:07 ` [ 21/28] HID: check for NULL field when setting values Greg Kroah-Hartman
2013-09-25  0:07 ` [ 22/28] ocfs2: fix the end cluster offset of FIEMAP Greg Kroah-Hartman
2013-09-25  0:07 ` [ 23/28] memcg: fix multiple large threshold notifications Greg Kroah-Hartman
2013-09-25  0:07 ` [ 24/28] mm/huge_memory.c: fix potential NULL pointer dereference Greg Kroah-Hartman
2013-09-25  0:07 ` [ 25/28] isofs: Refuse RW mount of the filesystem instead of making it RO Greg Kroah-Hartman
2013-09-25  0:07 ` [ 26/28] mmc: tmio_mmc_dma: fix PIO fallback on SDHI Greg Kroah-Hartman
2013-09-25  0:07 ` [ 27/28] fuse: postpone end_page_writeback() in fuse_writepage_locked() Greg Kroah-Hartman
2013-09-25  0:07 ` [ 28/28] fuse: invalidate inode attributes on xattr modification Greg Kroah-Hartman
2013-09-26  2:22 ` [ 00/28] 3.0.97-stable review Shuah Khan
2013-09-26  2:45   ` Greg Kroah-Hartman
2013-09-27 18:52     ` Teck Choon Giam
2013-09-27 19:21       ` Shuah Khan

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