rtlwifi: slight optimization of addr compare
Use possibly more efficient ether_addr_equal_unaligned instead of memcmp. Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Chaoming Li <chaoming_li@realsil.com.cn> Cc: John W. Linville <linville@tuxdriver.com> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Weilong Chen <chenweilong@huawei.com> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -295,7 +295,7 @@ u8 rtl_cam_get_free_entry(struct ieee80211_hw *hw, u8 *sta_addr)
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/* Does STA already exist? */
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for (i = 4; i < TOTAL_CAM_ENTRY; i++) {
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addr = rtlpriv->sec.hwsec_cam_sta_addr[i];
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if (memcmp(addr, sta_addr, ETH_ALEN) == 0)
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if (ether_addr_equal_unaligned(addr, sta_addr))
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return i;
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}
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/* Get a free CAM entry. */
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@ -335,7 +335,7 @@ void rtl_cam_del_entry(struct ieee80211_hw *hw, u8 *sta_addr)
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addr = rtlpriv->sec.hwsec_cam_sta_addr[i];
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bitmap = (rtlpriv->sec.hwsec_cam_bitmap) >> i;
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if (((bitmap & BIT(0)) == BIT(0)) &&
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(memcmp(addr, sta_addr, ETH_ALEN) == 0)) {
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(ether_addr_equal_unaligned(addr, sta_addr))) {
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/* Remove from HW Security CAM */
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eth_zero_addr(rtlpriv->sec.hwsec_cam_sta_addr[i]);
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rtlpriv->sec.hwsec_cam_bitmap &= ~(BIT(0) << i);
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