diff options
| author | Avinash Patil <patila@marvell.com> | 2014-02-18 23:41:54 (GMT) |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2014-03-22 21:01:51 (GMT) |
| commit | db5eb608ac4a1f8982a4a5dd5c486008eec16655 (patch) | |
| tree | 1d822828164d4d38e5c30b451c9079f91195480c /drivers/net/wireless | |
| parent | 42cbd72df7e120b2725dd7ce5ce6fa8c4d572d0f (diff) | |
| download | linux-fsl-qoriq-db5eb608ac4a1f8982a4a5dd5c486008eec16655.tar.xz | |
mwifiex: clean pcie ring only when device is present
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: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'drivers/net/wireless')
| -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 95fa359..35f8815 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); } |