The region set by the call to memset is immediately overwritten by the subsequent call to memcpy. So we drop redundant memset. Signed-off-by: Haowen Bai <baihaowen@xxxxxxxxx> --- drivers/staging/r8188eu/os_dep/mlme_linux.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/staging/r8188eu/os_dep/mlme_linux.c b/drivers/staging/r8188eu/os_dep/mlme_linux.c index 72ad9700130e..899d8e9c3834 100644 --- a/drivers/staging/r8188eu/os_dep/mlme_linux.c +++ b/drivers/staging/r8188eu/os_dep/mlme_linux.c @@ -66,7 +66,6 @@ void rtw_reset_securitypriv(struct adapter *adapter) /* We have to backup the PMK information for WiFi PMK Caching test item. */ /* Backup the btkip_countermeasure information. */ /* When the countermeasure is trigger, the driver have to disconnect with AP for 60 seconds. */ - memset(&backup_pmkid[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE); memcpy(&backup_pmkid[0], &adapter->securitypriv.PMKIDList[0], sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE); backup_index = adapter->securitypriv.PMKIDIndex; backup_counter = adapter->securitypriv.btkip_countermeasure; -- 2.7.4