From: Chuhong Yuan <hslester96@gmail.com>
Date: Wed, 17 Jul 2019 10:05:11 +0800
Subject: gve: replace kfree with kvfree
Patch-mainline: v5.3-rc1
Git-commit: 8ec1e9006908a606b2a67c905f33ee2d3b6be5c2
References: jsc#SLE-10538

Variables allocated by kvzalloc should not be freed by kfree.
Because they may be allocated by vmalloc.
So we replace kfree with kvfree here.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/google/gve/gve_main.c |   22 +++++++++++-----------
 drivers/net/ethernet/google/gve/gve_rx.c   |    4 ++--
 2 files changed, 13 insertions(+), 13 deletions(-)

--- a/drivers/net/ethernet/google/gve/gve_main.c
+++ b/drivers/net/ethernet/google/gve/gve_main.c
@@ -232,7 +232,7 @@ abort_with_mgmt_vector:
 abort_with_msix_enabled:
 	pci_disable_msix(priv->pdev);
 abort_with_msix_vectors:
-	kfree(priv->msix_vectors);
+	kvfree(priv->msix_vectors);
 	priv->msix_vectors = NULL;
 	return err;
 }
@@ -256,7 +256,7 @@ static void gve_free_notify_blocks(struc
 	priv->ntfy_blocks = NULL;
 	free_irq(priv->msix_vectors[priv->mgmt_msix_idx].vector, priv);
 	pci_disable_msix(priv->pdev);
-	kfree(priv->msix_vectors);
+	kvfree(priv->msix_vectors);
 	priv->msix_vectors = NULL;
 }
 
@@ -445,12 +445,12 @@ static int gve_alloc_rings(struct gve_pr
 	return 0;
 
 free_rx:
-	kfree(priv->rx);
+	kvfree(priv->rx);
 	priv->rx = NULL;
 free_tx_queue:
 	gve_tx_free_rings(priv);
 free_tx:
-	kfree(priv->tx);
+	kvfree(priv->tx);
 	priv->tx = NULL;
 	return err;
 }
@@ -500,7 +500,7 @@ static void gve_free_rings(struct gve_pr
 			gve_remove_napi(priv, ntfy_idx);
 		}
 		gve_tx_free_rings(priv);
-		kfree(priv->tx);
+		kvfree(priv->tx);
 		priv->tx = NULL;
 	}
 	if (priv->rx) {
@@ -509,7 +509,7 @@ static void gve_free_rings(struct gve_pr
 			gve_remove_napi(priv, ntfy_idx);
 		}
 		gve_rx_free_rings(priv);
-		kfree(priv->rx);
+		kvfree(priv->rx);
 		priv->rx = NULL;
 	}
 }
@@ -592,9 +592,9 @@ static void gve_free_queue_page_list(str
 		gve_free_page(&priv->pdev->dev, qpl->pages[i],
 			      qpl->page_buses[i], gve_qpl_dma_dir(priv, id));
 
-	kfree(qpl->page_buses);
+	kvfree(qpl->page_buses);
 free_pages:
-	kfree(qpl->pages);
+	kvfree(qpl->pages);
 	priv->num_registered_pages -= qpl->num_entries;
 }
 
@@ -635,7 +635,7 @@ static int gve_alloc_qpls(struct gve_pri
 free_qpls:
 	for (j = 0; j <= i; j++)
 		gve_free_queue_page_list(priv, j);
-	kfree(priv->qpls);
+	kvfree(priv->qpls);
 	return err;
 }
 
@@ -644,12 +644,12 @@ static void gve_free_qpls(struct gve_pri
 	int num_qpls = gve_num_tx_qpls(priv) + gve_num_rx_qpls(priv);
 	int i;
 
-	kfree(priv->qpl_cfg.qpl_id_map);
+	kvfree(priv->qpl_cfg.qpl_id_map);
 
 	for (i = 0; i < num_qpls; i++)
 		gve_free_queue_page_list(priv, i);
 
-	kfree(priv->qpls);
+	kvfree(priv->qpls);
 }
 
 /* Use this to schedule a reset when the device is capable of continuing
--- a/drivers/net/ethernet/google/gve/gve_rx.c
+++ b/drivers/net/ethernet/google/gve/gve_rx.c
@@ -35,7 +35,7 @@ static void gve_rx_free_ring(struct gve_
 
 	gve_unassign_qpl(priv, rx->data.qpl->id);
 	rx->data.qpl = NULL;
-	kfree(rx->data.page_info);
+	kvfree(rx->data.page_info);
 
 	slots = rx->data.mask + 1;
 	bytes = sizeof(*rx->data.data_ring) * slots;
@@ -168,7 +168,7 @@ abort_with_q_resources:
 			  rx->q_resources, rx->q_resources_bus);
 	rx->q_resources = NULL;
 abort_filled:
-	kfree(rx->data.page_info);
+	kvfree(rx->data.page_info);
 abort_with_slots:
 	bytes = sizeof(*rx->data.data_ring) * slots;
 	dma_free_coherent(hdev, bytes, rx->data.data_ring, rx->data.data_bus);