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Tsirkin" , Jason Wang , Xuan Zhuo , =?utf-8?q?Eugenio_P=C3=A9rez?= , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Melnychenko , Joe Damato , Philo Lu Cc: virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, devel@daynix.com, Akihiko Odaki X-Mailer: b4 0.15-dev-edae6 virtnet_probe() lacks the code to free rss_hdr in its error path. Allocate rss_hdr with devres so that it will be automatically freed. Fixes: 86a48a00efdf ("virtio_net: Support dynamic rss indirection table siz= e") Signed-off-by: Akihiko Odaki Acked-by: Jason Wang --- drivers/net/virtio_net.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 4153a0a5f278..6cbeba65a4a4 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3580,7 +3580,7 @@ static int virtnet_set_queues(struct virtnet_info *vi= , u16 queue_pairs) if (vi->has_rss && !netif_is_rxfh_configured(dev)) { old_rss_hdr =3D vi->rss_hdr; old_rss_trailer =3D vi->rss_trailer; - vi->rss_hdr =3D kmalloc(virtnet_rss_hdr_size(vi), GFP_KERNEL); + vi->rss_hdr =3D devm_kmalloc(&dev->dev, virtnet_rss_hdr_size(vi), GFP_KE= RNEL); if (!vi->rss_hdr) { vi->rss_hdr =3D old_rss_hdr; return -ENOMEM; @@ -3591,7 +3591,7 @@ static int virtnet_set_queues(struct virtnet_info *vi= , u16 queue_pairs) =20 if (!virtnet_commit_rss_command(vi)) { /* restore ctrl_rss if commit_rss_command failed */ - kfree(vi->rss_hdr); + devm_kfree(&dev->dev, vi->rss_hdr); vi->rss_hdr =3D old_rss_hdr; vi->rss_trailer =3D old_rss_trailer; =20 @@ -3599,7 +3599,7 @@ static int virtnet_set_queues(struct virtnet_info *vi= , u16 queue_pairs) queue_pairs); return -EINVAL; } - kfree(old_rss_hdr); + devm_kfree(&dev->dev, old_rss_hdr); goto succ; } =20 @@ -6702,7 +6702,7 @@ static int virtnet_probe(struct virtio_device *vdev) virtio_cread16(vdev, offsetof(struct virtio_net_config, rss_max_indirection_table_length)); } - vi->rss_hdr =3D kmalloc(virtnet_rss_hdr_size(vi), GFP_KERNEL); + vi->rss_hdr =3D devm_kmalloc(&vdev->dev, virtnet_rss_hdr_size(vi), GFP_KE= RNEL); if (!vi->rss_hdr) { err =3D -ENOMEM; goto free; @@ -6985,8 +6985,6 @@ static void virtnet_remove(struct virtio_device *vdev) =20 remove_vq_common(vi); =20 - kfree(vi->rss_hdr); - free_netdev(vi->dev); } =20 --=20 2.48.1