libertas: fix scheduling while atomic bug in CMD_MAC_CONTROL
The old code incorrectly used lbs_cmd_with_response() and now uses
lbs_cmd_async().
While there I noticed that there is no real useful return values for
asynchronous command functions, so I made the function "void".
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 54161f1..fcea2a1 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -272,9 +272,7 @@
else
priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE;
- ret = lbs_set_mac_control(priv);
- if (ret)
- goto out;
+ lbs_set_mac_control(priv);
mutex_lock(&priv->lock);
@@ -304,9 +302,7 @@
memcpy(&priv->secinfo, &assoc_req->secinfo,
sizeof(struct lbs_802_11_security));
- ret = lbs_set_mac_control(priv);
- if (ret)
- goto out;
+ lbs_set_mac_control(priv);
/* If RSN is already enabled, don't try to enable it again, since
* ENABLE_RSN resets internal state machines and will clobber the
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index be461c5..be8a170 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1326,9 +1326,8 @@
return ret;
}
-int lbs_set_mac_control(struct lbs_private *priv)
+void lbs_set_mac_control(struct lbs_private *priv)
{
- int ret = 0;
struct cmd_ds_mac_control cmd;
lbs_deb_enter(LBS_DEB_CMD);
@@ -1337,10 +1336,10 @@
cmd.action = cpu_to_le16(priv->mac_control);
cmd.reserved = 0;
- ret = lbs_cmd_with_response(priv, CMD_MAC_CONTROL, &cmd);
+ lbs_cmd_async(priv, CMD_MAC_CONTROL,
+ &cmd.hdr, sizeof(cmd));
- lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
- return ret;
+ lbs_deb_leave(LBS_DEB_CMD);
}
/**
diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index f0de2a1..989fb77 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -17,7 +17,7 @@
struct cmd_ctrl_node;
struct cmd_ds_command;
-int lbs_set_mac_control(struct lbs_private *priv);
+void lbs_set_mac_control(struct lbs_private *priv);
void lbs_send_tx_feedback(struct lbs_private *priv);