Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 3.10 22/85] mwifiex: clean pcie ring only when device is present | Date | Thu, 20 Mar 2014 17:09:25 -0700 |
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3.10-stable review patch. If anyone has any objections, please let me know.
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From: Avinash Patil <patila@marvell.com>
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@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- 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 @@ -556,7 +556,8 @@ 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); }
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