diff options
| author | Avinash Patil <patila@marvell.com> | 2014-02-18 15:41:54 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-02-20 15:51:07 -0500 |
| commit | 4f7ba432202c8330cc03ab959c6228d0de5dc4a3 (patch) | |
| tree | ad999e6e35ddb993c50645b2502f147390d927c4 | |
| parent | 95320774fae71d7b22b970ef4267fcc4d1ad23d8 (diff) | |
| download | linux-4f7ba432202c8330cc03ab959c6228d0de5dc4a3.tar.bz2 | |
mwifiex: clean pcie ring only when device is present
Write io memory to clean PCIe buffer only when PCIe device is
present else this results into crash because of invalid memory
access.
Cc: <stable@vger.kernel.org> # 3.9+
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>
| -rw-r--r-- | drivers/net/wireless/mwifiex/wmm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c index 13eaeed03898..981cf6e7c73b 100644 --- a/drivers/net/wireless/mwifiex/wmm.c +++ b/drivers/net/wireless/mwifiex/wmm.c @@ -559,7 +559,8 @@ mwifiex_clean_txrx(struct mwifiex_private *priv) 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); } |