ixgbe: Use kzfree() rather than its implementation.

Use kzfree() instead of memset() + kfree().

Signed-off-by: zhong jiang <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c

···
 	return 0;
 
 err_aead:
-	memset(xs->aead, 0, sizeof(*xs->aead));
-	kfree(xs->aead);
+	kzfree(xs->aead);
 err_xs:
-	memset(xs, 0, sizeof(*xs));
-	kfree(xs);
+	kzfree(xs);
 err_out:
 	msgbuf[1] = err;
 	return err;
···
 	ixgbe_ipsec_del_sa(xs);
 
 	/* remove the xs that was made-up in the add request */
-	memset(xs, 0, sizeof(*xs));
-	kfree(xs);
+	kzfree(xs);
 
 	return 0;
 }