staging: wilc1000: merge 'if' statements that test the same condition

Merge the instructions of two 'if' statements that test the same
condition and move a 'memcpy' instruction related to a different variable.
Issue found with coccicheck.
Signed-off-by: Dafna Hirschfeld <dafna3@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wfi_cfgoperations.c

@@ -959,18 +959,14 @@ static int add_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index,
 				}
 
 				kfree(priv->wilc_ptk[key_index]->key);
-
 				priv->wilc_ptk[key_index]->key = kmalloc(params->key_len, GFP_KERNEL);
+				memcpy(priv->wilc_ptk[key_index]->key, params->key, params->key_len);
 
 				kfree(priv->wilc_ptk[key_index]->seq);
-
-				if (params->seq_len > 0)
+				if (params->seq_len > 0) {
 					priv->wilc_ptk[key_index]->seq = kmalloc(params->seq_len, GFP_KERNEL);
-
-				memcpy(priv->wilc_ptk[key_index]->key, params->key, params->key_len);
-
-				if (params->seq_len > 0)
 					memcpy(priv->wilc_ptk[key_index]->seq, params->seq, params->seq_len);
+				}
 
 				priv->wilc_ptk[key_index]->cipher = params->cipher;
 				priv->wilc_ptk[key_index]->key_len = params->key_len;