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[1/4] iwlwifi: clear iwl_cmd_meta structure before use

Message ID 1249075689-8973-2-git-send-email-reinette.chatre@intel.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Reinette Chatre July 31, 2009, 9:28 p.m. UTC 
From: Daniel C Halperin <daniel.c.halperin@intel.com>

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>
---
 drivers/net/wireless/iwlwifi/iwl-tx.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
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Patch

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 6bb9602..288b871 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;