liquidio: clear the correct memory

There is a cut and paste bug here so we accidentally clear the first
few bytes of "resp" a second time instead clearing "ctx".

Fixes: 50c0add534d2 ("liquidio: refactor interrupt moderation code")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
index fac02ed..dab10c7 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
@@ -1359,7 +1359,7 @@ static int octnet_get_intrmod_cfg(struct lio *lio,
 	memset(resp, 0, sizeof(struct oct_intrmod_resp));
 
 	ctx = (struct oct_intrmod_context *)sc->ctxptr;
-	memset(resp, 0, sizeof(struct oct_intrmod_context));
+	memset(ctx, 0, sizeof(struct oct_intrmod_context));
 	WRITE_ONCE(ctx->cond, 0);
 	ctx->octeon_id = lio_get_device_id(oct_dev);
 	init_waitqueue_head(&ctx->wc);