libertas: add opaque extra argument to cmd callback function

This will be useful for letting callbacks do stuff like copying the
response into a buffer provided by the caller of lbs_cmd()

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h
index f1c1d3f106c8..ed502b74fa3c 100644
--- a/drivers/net/wireless/libertas/hostcmd.h
+++ b/drivers/net/wireless/libertas/hostcmd.h
@@ -71,7 +71,8 @@ struct cmd_ctrl_node {
         u16 wait_option;
         /* command response */
         void *pdata_buf;
-        int (*callback)(uint16_t respcmd, struct cmd_ds_command *resp, struct lbs_private *priv);
+        int (*callback)(struct lbs_private *priv, unsigned long arg, struct cmd_ds_command *resp);
+        unsigned long callback_arg;
         /* command data */
         u8 *bufvirtualaddr;
         /* wait queue */