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path: root/drivers/net/wireless/mwifiex/pcie.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/pcie.c')
-rw-r--r--drivers/net/wireless/mwifiex/pcie.c27
1 files changed, 10 insertions, 17 deletions
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index d34acf082d3..405350940a4 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -386,8 +386,7 @@ static int mwifiex_pcie_create_txbd_ring(struct mwifiex_adapter *adapter)
card->txbd_ring_vbase = kzalloc(card->txbd_ring_size, GFP_KERNEL);
if (!card->txbd_ring_vbase) {
dev_err(adapter->dev, "Unable to allocate buffer for txbd ring.\n");
- kfree(card->txbd_ring_vbase);
- return -1;
+ return -ENOMEM;
}
card->txbd_ring_pbase = virt_to_phys(card->txbd_ring_vbase);
@@ -477,7 +476,7 @@ static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter)
if (!card->rxbd_ring_vbase) {
dev_err(adapter->dev, "Unable to allocate buffer for "
"rxbd_ring.\n");
- return -1;
+ return -ENOMEM;
}
card->rxbd_ring_pbase = virt_to_phys(card->rxbd_ring_vbase);
@@ -570,7 +569,7 @@ static int mwifiex_pcie_create_evtbd_ring(struct mwifiex_adapter *adapter)
if (!card->evtbd_ring_vbase) {
dev_err(adapter->dev, "Unable to allocate buffer. "
"Terminating download\n");
- return -1;
+ return -ENOMEM;
}
card->evtbd_ring_pbase = virt_to_phys(card->evtbd_ring_vbase);
@@ -1229,15 +1228,16 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
if (!skb)
return 0;
- if (rdptr >= MWIFIEX_MAX_EVT_BD)
+ if (rdptr >= MWIFIEX_MAX_EVT_BD) {
dev_err(adapter->dev, "event_complete: Invalid rdptr 0x%x\n",
rdptr);
+ return -EINVAL;
+ }
/* Read the event ring write pointer set by firmware */
if (mwifiex_read_reg(adapter, REG_EVTBD_WRPTR, &wrptr)) {
dev_err(adapter->dev, "event_complete: failed to read REG_EVTBD_WRPTR\n");
- ret = -1;
- goto done;
+ return -1;
}
if (!card->evt_buf_list[rdptr]) {
@@ -1266,15 +1266,9 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
/* Write the event ring read pointer in to REG_EVTBD_RDPTR */
if (mwifiex_write_reg(adapter, REG_EVTBD_RDPTR, card->evtbd_rdptr)) {
dev_err(adapter->dev, "event_complete: failed to read REG_EVTBD_RDPTR\n");
- ret = -1;
- goto done;
+ return -1;
}
-done:
- /* Free the buffer for failure case */
- if (ret && skb)
- dev_kfree_skb_any(skb);
-
dev_dbg(adapter->dev, "info: Check Events Again\n");
ret = mwifiex_pcie_process_event_ready(adapter);
@@ -1672,9 +1666,8 @@ static int mwifiex_pcie_host_to_card(struct mwifiex_adapter *adapter, u8 type,
struct sk_buff *skb,
struct mwifiex_tx_param *tx_param)
{
- if (!adapter || !skb) {
- dev_err(adapter->dev, "Invalid parameter in %s <%p, %p>\n",
- __func__, adapter, skb);
+ if (!skb) {
+ dev_err(adapter->dev, "Passed NULL skb to %s\n", __func__);
return -1;
}