This is a note to let you know that I've just added the patch titled
mwifiex: clean pcie ring only when device is present
to the 3.13-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:
mwifiex-clean-pcie-ring-only-when-device-is-present.patch
and it can be found in the queue-3.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 4f7ba432202c8330cc03ab959c6228d0de5dc4a3 Mon Sep 17 00:00:00 2001
From: Avinash Patil <patila@xxxxxxxxxxx>
Date: Tue, 18 Feb 2014 15:41:54 -0800
Subject: mwifiex: clean pcie ring only when device is present
From: Avinash Patil <patila@xxxxxxxxxxx>
commit 4f7ba432202c8330cc03ab959c6228d0de5dc4a3 upstream.
Write io memory to clean PCIe buffer only when PCIe device is
present else this results into crash because of invalid memory
access.
Signed-off-by: Avinash Patil <patila@xxxxxxxxxxx>
Signed-off-by: Bing Zhao <bzhao@xxxxxxxxxxx>
Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/mwifiex/wmm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -559,7 +559,8 @@ mwifiex_clean_txrx(struct mwifiex_privat
mwifiex_wmm_delete_all_ralist(priv);
memcpy(tos_to_tid, ac_to_tid, sizeof(tos_to_tid));
- if (priv->adapter->if_ops.clean_pcie_ring)
+ if (priv->adapter->if_ops.clean_pcie_ring &&
+ !priv->adapter->surprise_removed)
priv->adapter->if_ops.clean_pcie_ring(priv->adapter);
spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
}
Patches currently in stable-queue which might be from patila@xxxxxxxxxxx are
queue-3.13/mwifiex-clean-pcie-ring-only-when-device-is-present.patch
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