staging: r8188eu: Drop redundant memset

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@meizu.com>
Link: https://lore.kernel.org/r/1650532843-28132-1-git-send-email-baihaowen@meizu.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/os_dep/mlme_linux.c b/drivers/staging/r8188eu/os_dep/mlme_linux.c
index 72ad970..899d8e9 100644 (file)
--- 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;