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path: root/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/nvm.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/nvm.c45
1 files changed, 22 insertions, 23 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
index 25a98401a64f..7a686f67f007 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
@@ -66,7 +66,6 @@
*****************************************************************************/
#include <linux/firmware.h>
#include <linux/rtnetlink.h>
-#include <linux/pci.h>
#include <linux/acpi.h>
#include "iwl-trans.h"
#include "iwl-csr.h"
@@ -667,8 +666,7 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
.mcc = cpu_to_le16(alpha2[0] << 8 | alpha2[1]),
.source_id = (u8)src_id,
};
- struct iwl_mcc_update_resp *mcc_resp, *resp_cp = NULL;
- struct iwl_mcc_update_resp_v1 *mcc_resp_v1 = NULL;
+ struct iwl_mcc_update_resp *resp_cp;
struct iwl_rx_packet *pkt;
struct iwl_host_cmd cmd = {
.id = MCC_UPDATE_CMD,
@@ -701,34 +699,36 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
/* Extract MCC response */
if (resp_v2) {
- mcc_resp = (void *)pkt->data;
+ struct iwl_mcc_update_resp *mcc_resp = (void *)pkt->data;
+
n_channels = __le32_to_cpu(mcc_resp->n_channels);
+ resp_len = sizeof(struct iwl_mcc_update_resp) +
+ n_channels * sizeof(__le32);
+ resp_cp = kmemdup(mcc_resp, resp_len, GFP_KERNEL);
} else {
- mcc_resp_v1 = (void *)pkt->data;
+ struct iwl_mcc_update_resp_v1 *mcc_resp_v1 = (void *)pkt->data;
+
n_channels = __le32_to_cpu(mcc_resp_v1->n_channels);
+ resp_len = sizeof(struct iwl_mcc_update_resp) +
+ n_channels * sizeof(__le32);
+ resp_cp = kzalloc(resp_len, GFP_KERNEL);
+
+ if (resp_cp) {
+ resp_cp->status = mcc_resp_v1->status;
+ resp_cp->mcc = mcc_resp_v1->mcc;
+ resp_cp->cap = mcc_resp_v1->cap;
+ resp_cp->source_id = mcc_resp_v1->source_id;
+ resp_cp->n_channels = mcc_resp_v1->n_channels;
+ memcpy(resp_cp->channels, mcc_resp_v1->channels,
+ n_channels * sizeof(__le32));
+ }
}
- resp_len = sizeof(struct iwl_mcc_update_resp) + n_channels *
- sizeof(__le32);
-
- resp_cp = kzalloc(resp_len, GFP_KERNEL);
if (!resp_cp) {
ret = -ENOMEM;
goto exit;
}
- if (resp_v2) {
- memcpy(resp_cp, mcc_resp, resp_len);
- } else {
- resp_cp->status = mcc_resp_v1->status;
- resp_cp->mcc = mcc_resp_v1->mcc;
- resp_cp->cap = mcc_resp_v1->cap;
- resp_cp->source_id = mcc_resp_v1->source_id;
- resp_cp->n_channels = mcc_resp_v1->n_channels;
- memcpy(resp_cp->channels, mcc_resp_v1->channels,
- n_channels * sizeof(__le32));
- }
-
status = le32_to_cpu(resp_cp->status);
mcc = le16_to_cpu(resp_cp->mcc);
@@ -802,9 +802,8 @@ static int iwl_mvm_get_bios_mcc(struct iwl_mvm *mvm, char *mcc)
struct acpi_buffer wrdd = {ACPI_ALLOCATE_BUFFER, NULL};
acpi_status status;
u32 mcc_val;
- struct pci_dev *pdev = to_pci_dev(mvm->dev);
- root_handle = ACPI_HANDLE(&pdev->dev);
+ root_handle = ACPI_HANDLE(mvm->dev);
if (!root_handle) {
IWL_DEBUG_LAR(mvm,
"Could not retrieve root port ACPI handle\n");