diff options
| author | Avinash Patil <[email protected]> | 2014-02-18 15:41:54 -0800 |
|---|---|---|
| committer | John W. Linville <[email protected]> | 2014-02-20 15:51:07 -0500 |
| commit | 4f7ba432202c8330cc03ab959c6228d0de5dc4a3 (patch) | |
| tree | ad999e6e35ddb993c50645b2502f147390d927c4 | |
| parent | 95320774fae71d7b22b970ef4267fcc4d1ad23d8 (diff) | |
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: <[email protected]> # 3.9+
Signed-off-by: Avinash Patil <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
| -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); } |