diff options
| author | Holger Schurig <hs4233@mail.mn-solutions.de> | 2007-08-02 19:50:12 +0400 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-11 03:49:50 +0400 |
| commit | 3cf840914bd467fa4cc76af1a01bba4d2813131c (patch) | |
| tree | ce3adcd8be98a4e1cf5c0968ec8742fbd8fac029 /drivers/net/wireless/libertas/scan.c | |
| parent | c95c7f930ec6fee029c8e7957ab95b3967578070 (diff) | |
| download | linux-3cf840914bd467fa4cc76af1a01bba4d2813131c.tar.xz | |
[PATCH] libertas: access mesh_dev more carefully
The CF/SDIO firmware doesn't support Mesh, so priv->mesh_dev is
NULL there. Protect all accesses.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/libertas/scan.c')
| -rw-r--r-- | drivers/net/wireless/libertas/scan.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c index 683fa1ba5cac..7f045ec2441d 100644 --- a/drivers/net/wireless/libertas/scan.c +++ b/drivers/net/wireless/libertas/scan.c @@ -793,8 +793,10 @@ int wlan_scan_networks(wlan_private * priv, if (!scancurrentchanonly) { netif_stop_queue(priv->dev); netif_carrier_off(priv->dev); - netif_stop_queue(priv->mesh_dev); - netif_carrier_off(priv->mesh_dev); + if (priv->mesh_dev) { + netif_stop_queue(priv->mesh_dev); + netif_carrier_off(priv->mesh_dev); + } } ret = wlan_scan_channel_list(priv, @@ -820,8 +822,10 @@ int wlan_scan_networks(wlan_private * priv, if (priv->adapter->connect_status == LIBERTAS_CONNECTED) { netif_carrier_on(priv->dev); netif_wake_queue(priv->dev); - netif_carrier_on(priv->mesh_dev); - netif_wake_queue(priv->mesh_dev); + if (priv->mesh_dev) { + netif_carrier_on(priv->mesh_dev); + netif_wake_queue(priv->mesh_dev); + } } out: |