فهرست منبع

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>
Wey-Yi Guy 14 سال پیش
والد
کامیت
eedb6e357a
1فایلهای تغییر یافته به همراه6 افزوده شده و 0 حذف شده
  1. 6 0
      drivers/net/wireless/iwlwifi/iwl-tx.c

+ 6 - 0
drivers/net/wireless/iwlwifi/iwl-tx.c

@@ -328,6 +328,12 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 		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);
 	cmd_size = sizeof(out_cmd->hdr);