mwifiex: change memset to simple assignment for ht_cap.mcs.rx_mask

WARNING: single byte memset is suspicious.
         Swapped 2nd/3rd argument?

This code happens to work because rx_mcs is the first variable
in mcs structure. We should use 'mcs.rx_mcs' here anyway.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Maithili Hinge <maithili@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c
index 9be6544bdded..32643555dd2a 100644
--- a/drivers/net/wireless/mwifiex/uap_cmd.c
+++ b/drivers/net/wireless/mwifiex/uap_cmd.c
@@ -175,17 +175,19 @@ mwifiex_set_ht_params(struct mwifiex_private *priv,
                 switch (GET_RXSTBC(cap_info)) {
                 case MWIFIEX_RX_STBC1:
                         /* HT_CAP 1X1 mode */
-                        memset(&bss_cfg->ht_cap.mcs, 0xff, 1);
+                        bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
                         break;
                 case MWIFIEX_RX_STBC12: /* fall through */
                 case MWIFIEX_RX_STBC123:
                         /* HT_CAP 2X2 mode */
-                        memset(&bss_cfg->ht_cap.mcs, 0xff, 2);
+                        bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
+                        bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
                         break;
                 default:
                         dev_warn(priv->adapter->dev,
                                  "Unsupported RX-STBC, default to 2x2\n");
-                        memset(&bss_cfg->ht_cap.mcs, 0xff, 2);
+                        bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff;
+                        bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff;
                         break;
                 }
                 priv->ap_11n_enabled = 1;