[PATCH] iwlwifi: acpi: Use kmemdup rather than duplicating its implementation in iwl_parse_nvm_mcc_info

[YueHaibing]

Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c 
b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index ec300d3..d979c00 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -1108,14 +1108,12 @@ struct ieee80211_regdomain *
        regd_to_copy = sizeof(struct ieee80211_regdomain) +
                valid_rules * sizeof(struct ieee80211_reg_rule);
 
-       copy_rd = kzalloc(regd_to_copy, GFP_KERNEL);
+       copy_rd = kmemdup(regd, regd_to_copy, GFP_KERNEL);
        if (!copy_rd) {
                copy_rd = ERR_PTR(-ENOMEM);
                goto out;
        }
 
-       memcpy(copy_rd, regd, regd_to_copy);
-
 out:
        kfree(regdb_ptrs);
        kfree(regd);