summaryrefslogtreecommitdiff
path: root/drivers/net/virtio_net.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-01 09:51:29 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-01 09:51:29 +0100
commitebbbf3c8df3ab52219c2b21e0d37e02acea2510d (patch)
tree7f1fa62f6d9de23db96021995d1498ea07e24ea6 /drivers/net/virtio_net.c
parent46c7ff71b4b4638b172c9747c4e556bd8f98bad2 (diff)
parent097aa9a71fd56cdc62c11bdf45a84f07acaa3604 (diff)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r--drivers/net/virtio_net.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index c69c241948019..0c9bedb679169 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -3525,6 +3525,12 @@ static int virtnet_tx_resize(struct virtnet_info *vi, struct send_queue *sq,
{
int qindex, err;
+ if (ring_num <= MAX_SKB_FRAGS + 2) {
+ netdev_err(vi->dev, "tx size (%d) cannot be smaller than %d\n",
+ ring_num, MAX_SKB_FRAGS + 2);
+ return -EINVAL;
+ }
+
qindex = sq - vi->sq;
virtnet_tx_pause(vi, sq);