提交 905e36ae 编写于 作者: M Matti Gottlieb 提交者: Emmanuel Grumbach

iwlwifi: mvm: Fix paging memory leak

If the opmode is stopped and started again we did not free
the paging buffers. Fix that.
In addition when freeing the firmware's paging download
buffer, set the pointer to NULL.
Signed-off-by: NMatti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
上级 fb896c44
......@@ -107,7 +107,7 @@ static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
sizeof(tx_ant_cmd), &tx_ant_cmd);
}
static void iwl_free_fw_paging(struct iwl_mvm *mvm)
void iwl_free_fw_paging(struct iwl_mvm *mvm)
{
int i;
......@@ -127,6 +127,8 @@ static void iwl_free_fw_paging(struct iwl_mvm *mvm)
get_order(mvm->fw_paging_db[i].fw_paging_size));
}
kfree(mvm->trans->paging_download_buf);
mvm->trans->paging_download_buf = NULL;
memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db));
}
......
......@@ -1225,6 +1225,9 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb);
/* Paging */
void iwl_free_fw_paging(struct iwl_mvm *mvm);
/* MVM debugfs */
#ifdef CONFIG_IWLWIFI_DEBUGFS
int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
......
......@@ -684,6 +684,8 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
kfree(mvm->nvm_sections[i].data);
iwl_free_fw_paging(mvm);
iwl_mvm_tof_clean(mvm);
ieee80211_free_hw(mvm->hw);
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册