libertas: un-garbage various command structs

Some command structs contain reserved or unused fields, which the driver
send uninitialized down to the card.

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/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 49267ed7cea30899be850fde711b0b08baf513f8..6328b9593877a2ed0797137cae378fc6e689f6a5 100644 (file)
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -296,6 +296,7 @@ int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
 
        lbs_deb_enter(LBS_DEB_CMD);
 
+       memset(&cmd, 0, sizeof(cmd));
        cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
        cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 
@@ -359,7 +360,9 @@ int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
        cmd.hdr.size = cpu_to_le16(sizeof(cmd));
        cmd.action = cpu_to_le16(cmd_action);
 
-       if (cmd_action == CMD_ACT_SET) {
+       if (cmd_action == CMD_ACT_GET)
+               cmd.enable = 0;
+       else {
                if (*enable)
                        cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
                else
@@ -811,6 +814,7 @@ int lbs_get_channel(struct lbs_private *priv)
 
        lbs_deb_enter(LBS_DEB_CMD);
 
+       memset(&cmd, 0, sizeof(cmd));
        cmd.hdr.size = cpu_to_le16(sizeof(cmd));
        cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 
@@ -858,6 +862,7 @@ int lbs_set_channel(struct lbs_private *priv, u8 channel)
 
        lbs_deb_enter(LBS_DEB_CMD);
 
+       memset(&cmd, 0, sizeof(cmd));
        cmd.hdr.size = cpu_to_le16(sizeof(cmd));
        cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
        cmd.channel = cpu_to_le16(channel);