diff options
| author | Akihiko Odaki <akihiko.odaki@daynix.com> | 2025-03-21 15:48:35 +0900 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-03-25 09:30:22 -0700 |
| commit | 4944be2f5ad8c74b93e4e272f3a0f1a136bbc438 (patch) | |
| tree | 9f5d94182742fd6bde18c2efab6c1a04c13f3d66 /drivers/net/virtio_net.c | |
| parent | ed3100e90d0d120a045a551b85eb43cf2527e885 (diff) | |
virtio_net: Allocate rss_hdr with devres
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 size")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://patch.msgid.link/20250321-virtio-v2-4-33afb8f4640b@daynix.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index e46241c6fdab..aac5a5184ba9 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3642,7 +3642,7 @@ static int virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs) if (vi->has_rss && !netif_is_rxfh_configured(dev)) { old_rss_hdr = vi->rss_hdr; old_rss_trailer = vi->rss_trailer; - vi->rss_hdr = kzalloc(virtnet_rss_hdr_size(vi), GFP_KERNEL); + vi->rss_hdr = devm_kzalloc(&dev->dev, virtnet_rss_hdr_size(vi), GFP_KERNEL); if (!vi->rss_hdr) { vi->rss_hdr = old_rss_hdr; return -ENOMEM; @@ -3653,7 +3653,7 @@ static int virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs) 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 = old_rss_hdr; vi->rss_trailer = old_rss_trailer; @@ -3661,7 +3661,7 @@ 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; } @@ -6768,7 +6768,7 @@ static int virtnet_probe(struct virtio_device *vdev) virtio_cread16(vdev, offsetof(struct virtio_net_config, rss_max_indirection_table_length)); } - vi->rss_hdr = kzalloc(virtnet_rss_hdr_size(vi), GFP_KERNEL); + vi->rss_hdr = devm_kzalloc(&vdev->dev, virtnet_rss_hdr_size(vi), GFP_KERNEL); if (!vi->rss_hdr) { err = -ENOMEM; goto free; @@ -7051,8 +7051,6 @@ static void virtnet_remove(struct virtio_device *vdev) remove_vq_common(vi); - kfree(vi->rss_hdr); - free_netdev(vi->dev); } |