[PATCH] iwlwifi: Use kmemdup instead of duplicating its function

[YueHaibing]

Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c 
b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index d9afedc..569cc50 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -1196,13 +1196,9 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct 
iwl_cfg *cfg,
        regd_to_copy = sizeof(struct ieee80211_regdomain) +
                valid_rules * sizeof(struct ieee80211_reg_rule);
 
-       copy_rd = kzalloc(regd_to_copy, GFP_KERNEL);
-       if (!copy_rd) {
+       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);
-- 
2.7.4