From: Daniel C Halperin <daniel.c.halperin@intel.com>
Date: Fri, 31 Jul 2009 21:28:06 +0000 (-0700)
Subject: iwlwifi: clear iwl_cmd_meta structure before use
X-Git-Tag: v2.6.32-rc1~703^2~459^2~45
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8ce73f3abd064081706cc337c771378fc4431ef3;p=karo-tx-linux.git

iwlwifi: clear iwl_cmd_meta structure before use

Resolve an issue in which out-dated fields in iwl_cmd_meta
could be used for later hardware commands.

Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 6bb9602f3477..288b871e974b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -970,6 +970,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	out_cmd = txq->cmd[idx];
 	out_meta = &txq->meta[idx];
 
+	memset(out_meta, 0, sizeof(*out_meta));	/* re-initialize to NULL */
 	out_meta->flags = cmd->flags;
 	if (cmd->flags & CMD_WANT_SKB)
 		out_meta->source = cmd;