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

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Message-ID: <20190126124235.11248-1-yuehaibing@huawei.com>
Date:   Sat, 26 Jan 2019 20:42:35 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <johannes.berg@...el.com>, <emmanuel.grumbach@...el.com>,
        <luciano.coelho@...el.com>, <linuxwifi@...el.com>,
        <kvalo@...eaurora.org>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-wireless@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH] iwlwifi: Use kmemdup instead of duplicating its function

Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaibing@...wei.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