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iwlwifi: kzalloc txb array

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When we allocate queues, we currently don't
use kzalloc() right now. When we then free
those queues again without having used all
entries, we may end up trying to free random
pointers found in the txb array since it was
never initialised. This fixes it simply by
using kzalloc().

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
This commit is contained in:
Johannes Berg 2010-05-17 02:37:33 -07:00 committed by Reinette Chatre
parent 6f80240e0a
commit 519c7c4168
1 changed files with 1 additions and 1 deletions
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drivers/net/wireless/iwlwifi/iwl-tx.c
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@ -272,7 +272,7 @@ static int iwl_tx_queue_alloc(struct iwl_priv *priv,
/* Driver private data, only for Tx (not command) queues,
* not shared with device. */
if (id != IWL_CMD_QUEUE_NUM) {
txq->txb = kmalloc(sizeof(txq->txb[0]) *
txq->txb = kzalloc(sizeof(txq->txb[0]) *
TFD_QUEUE_SIZE_MAX, GFP_KERNEL);
if (!txq->txb) {
IWL_ERR(priv, "kmalloc for auxiliary BD "