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path: root/drivers/net/wireless/iwlwifi/iwl-tx.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-tx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-tx.c29
1 files changed, 18 insertions, 11 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index d82823b5c8ab..78b1a7a4ca40 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -402,12 +402,11 @@ static int iwl_hw_tx_queue_init(struct iwl_priv *priv,
402/** 402/**
403 * iwl_tx_queue_init - Allocate and initialize one tx/cmd queue 403 * iwl_tx_queue_init - Allocate and initialize one tx/cmd queue
404 */ 404 */
405static int iwl_tx_queue_init(struct iwl_priv *priv, 405static int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
406 struct iwl_tx_queue *txq,
407 int slots_num, u32 txq_id) 406 int slots_num, u32 txq_id)
408{ 407{
409 int i, len; 408 int i, len;
410 int rc = 0; 409 int ret;
411 410
412 /* 411 /*
413 * Alloc buffer array for commands (Tx or other types of commands). 412 * Alloc buffer array for commands (Tx or other types of commands).
@@ -426,19 +425,16 @@ static int iwl_tx_queue_init(struct iwl_priv *priv,
426 continue; 425 continue;
427 } 426 }
428 427
429 txq->cmd[i] = kmalloc(len, GFP_KERNEL | GFP_DMA); 428 txq->cmd[i] = kmalloc(len, GFP_KERNEL);
430 if (!txq->cmd[i]) 429 if (!txq->cmd[i])
431 return -ENOMEM; 430 goto err;
432 } 431 }
433 432
434 /* Alloc driver data array and TFD circular buffer */ 433 /* Alloc driver data array and TFD circular buffer */
435 rc = iwl_tx_queue_alloc(priv, txq, txq_id); 434 ret = iwl_tx_queue_alloc(priv, txq, txq_id);
436 if (rc) { 435 if (ret)
437 for (i = 0; i < slots_num; i++) 436 goto err;
438 kfree(txq->cmd[i]);
439 437
440 return -ENOMEM;
441 }
442 txq->need_update = 0; 438 txq->need_update = 0;
443 439
444 /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise 440 /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise
@@ -452,6 +448,17 @@ static int iwl_tx_queue_init(struct iwl_priv *priv,
452 iwl_hw_tx_queue_init(priv, txq); 448 iwl_hw_tx_queue_init(priv, txq);
453 449
454 return 0; 450 return 0;
451err:
452 for (i = 0; i < slots_num; i++) {
453 kfree(txq->cmd[i]);
454 txq->cmd[i] = NULL;
455 }
456
457 if (txq_id == IWL_CMD_QUEUE_NUM) {
458 kfree(txq->cmd[slots_num]);
459 txq->cmd[slots_num] = NULL;
460 }
461 return -ENOMEM;
455} 462}
456/** 463/**
457 * iwl_hw_txq_ctx_free - Free TXQ Context 464 * iwl_hw_txq_ctx_free - Free TXQ Context