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iwlagn: block regular host commands if driver don't own uCode 

The only host command allow to send to uCode is the one initiated from
testmode if testmode is the owner of uCode

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2011-07-08 08:46:27 -07:00 committed by John W. Linville
parent e98a1939a2
commit eedb6e357a
1 changed files with 6 additions and 0 deletions
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6
drivers/net/wireless/iwlwifi/iwl-tx.c
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@ -328,6 +328,12 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
return -EIO; return -EIO;
} }
if ((priv->ucode_owner == IWL_OWNERSHIP_TM) &&
!(cmd->flags & CMD_ON_DEMAND)) {
IWL_DEBUG_HC(priv, "tm own the uCode, no regular hcmd send\n");
return -EIO;
}
copy_size = sizeof(out_cmd->hdr); copy_size = sizeof(out_cmd->hdr);
cmd_size = sizeof(out_cmd->hdr); cmd_size = sizeof(out_cmd->hdr);