staging: wilc1000: remove 'ret' variable in handle_key()

Remove the use of unnecessary 'ret' variable and use existing 'result'
variable to hold the status. Also changed type of 'result' from s32 to
int to confirm with the function return type.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.c

@@ -1488,13 +1488,12 @@ static s32 handle_rcvd_gnrl_async_info(struct wilc_vif *vif,
 
 static int handle_key(struct wilc_vif *vif, struct key_attr *hif_key)
 {
-	s32 result = 0;
+	int result = 0;
 	struct wid wid;
 	struct wid wid_list[5];
 	u8 i;
 	u8 *key_buf;
 	s8 s8idxarray[1];
-	s8 ret = 0;
 	struct host_if_drv *hif_drv = vif->hif_drv;
 
 	switch (hif_key->type) {
@@ -1585,7 +1584,7 @@ static int handle_key(struct wilc_vif *vif, struct key_attr *hif_key)
 		if (hif_key->action & ADDKEY_AP) {
 			key_buf = kzalloc(RX_MIC_KEY_MSG_LEN, GFP_KERNEL);
 			if (!key_buf) {
-				ret = -ENOMEM;
+				result = -ENOMEM;
 				goto out_wpa_rx_gtk;
 			}
 
@@ -1615,7 +1614,7 @@ static int handle_key(struct wilc_vif *vif, struct key_attr *hif_key)
 		} else if (hif_key->action & ADDKEY) {
 			key_buf = kzalloc(RX_MIC_KEY_MSG_LEN, GFP_KERNEL);
 			if (!key_buf) {
-				ret = -ENOMEM;
+				result = -ENOMEM;
 				goto out_wpa_rx_gtk;
 			}
 
@@ -1645,16 +1644,13 @@ static int handle_key(struct wilc_vif *vif, struct key_attr *hif_key)
 		complete(&hif_drv->comp_test_key_block);
 		kfree(hif_key->attr.wpa.key);
 		kfree(hif_key->attr.wpa.seq);
-		if (ret)
-			return ret;
-
 		break;
 
 	case WPA_PTK:
 		if (hif_key->action & ADDKEY_AP) {
 			key_buf = kmalloc(PTK_KEY_MSG_LEN + 1, GFP_KERNEL);
 			if (!key_buf) {
-				ret = -ENOMEM;
+				result = -ENOMEM;
 				goto out_wpa_ptk;
 			}
 
@@ -1681,7 +1677,7 @@ static int handle_key(struct wilc_vif *vif, struct key_attr *hif_key)
 		} else if (hif_key->action & ADDKEY) {
 			key_buf = kmalloc(PTK_KEY_MSG_LEN, GFP_KERNEL);
 			if (!key_buf) {
-				ret = -ENOMEM;
+				result = -ENOMEM;
 				goto out_wpa_ptk;
 			}
 
@@ -1704,9 +1700,6 @@ static int handle_key(struct wilc_vif *vif, struct key_attr *hif_key)
 out_wpa_ptk:
 		complete(&hif_drv->comp_test_key_block);
 		kfree(hif_key->attr.wpa.key);
-		if (ret)
-			return ret;
-
 		break;
 
 	case PMKSA: