diff options
| author | Sujith <Sujith.Manoharan@atheros.com> | 2010-04-23 10:28:10 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-04-26 14:21:16 -0400 |
| commit | a3be14b76da111ebe4d245b0542613f9317104e7 (patch) | |
| tree | fe3fcbd6ab1a6a4d4b4b9b89f071224ac351fe6e /drivers/net/wireless/ath/ath9k/wmi.c | |
| parent | c11d8f89d3b785f3ef987c2d9ee1bfea6f8b3d0f (diff) | |
| download | linux-stable-a3be14b76da111ebe4d245b0542613f9317104e7.tar.gz linux-stable-a3be14b76da111ebe4d245b0542613f9317104e7.tar.bz2 linux-stable-a3be14b76da111ebe4d245b0542613f9317104e7.zip | |
ath9k_htc: Handle device unplug properly
When the USB device has been unplugged, there is
no point in trying to send commands to the target.
Fix this by denying all WMI commands in such a case.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/wmi.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/wmi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index dc6c6fc2e095..c68854532659 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -276,6 +276,9 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, int time_left, ret = 0; unsigned long flags; + if (wmi->drv_priv->op_flags & OP_UNPLUGGED) + return 0; + if (!wmi) return -EINVAL; |