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>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 49267ed7cea3..6328b9593877 100644
--- 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);