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path: root/drivers/net/ethernet/microsoft
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Diffstat (limited to 'drivers/net/ethernet/microsoft')
-rw-r--r--drivers/net/ethernet/microsoft/mana/mana_en.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
index db2887e25714..06d6292e09b3 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -553,6 +553,14 @@ static int mana_pre_alloc_rxbufs(struct mana_port_context *mpc, int new_mtu)
va = netdev_alloc_frag(mpc->rxbpre_alloc_size);
if (!va)
goto error;
+
+ page = virt_to_head_page(va);
+ /* Check if the frag falls back to single page */
+ if (compound_order(page) <
+ get_order(mpc->rxbpre_alloc_size)) {
+ put_page(page);
+ goto error;
+ }
} else {
page = dev_alloc_page();
if (!page)
@@ -1504,6 +1512,13 @@ static void *mana_get_rxfrag(struct mana_rxq *rxq, struct device *dev,
if (!va)
return NULL;
+
+ page = virt_to_head_page(va);
+ /* Check if the frag falls back to single page */
+ if (compound_order(page) < get_order(rxq->alloc_size)) {
+ put_page(page);
+ return NULL;
+ }
} else {
page = dev_alloc_page();
if (!page)