This is a note to let you know that I've just added the patch titled
virtio-vdpa: Fix cpumask memory leak in virtio_vdpa_find_vqs()
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
virtio-vdpa-fix-cpumask-memory-leak-in-virtio_vdpa_f.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 8adfa3dcbd345ff83232e802c48a19c66bef9858
Author: Gal Pressman <gal@xxxxxxxxxx>
Date: Wed Jul 26 22:10:07 2023 +0300
virtio-vdpa: Fix cpumask memory leak in virtio_vdpa_find_vqs()
[ Upstream commit df9557046440b0a62250fee3169a8f6a139f55a6 ]
Free the cpumask allocated by create_affinity_masks() before returning
from the function.
Fixes: 3dad56823b53 ("virtio-vdpa: Support interrupt affinity spreading mechanism")
Signed-off-by: Gal Pressman <gal@xxxxxxxxxx>
Reviewed-by: Dragos Tatulea <dtatulea@xxxxxxxxxx>
Message-Id: <20230726191036.14324-1-dtatulea@xxxxxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
Reviewed-by: Xie Yongji <xieyongji@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c
index 989e2d7184ce4..961161da59000 100644
--- a/drivers/virtio/virtio_vdpa.c
+++ b/drivers/virtio/virtio_vdpa.c
@@ -393,11 +393,13 @@ static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs,
cb.callback = virtio_vdpa_config_cb;
cb.private = vd_dev;
ops->set_config_cb(vdpa, &cb);
+ kfree(masks);
return 0;
err_setup_vq:
virtio_vdpa_del_vqs(vdev);
+ kfree(masks);
return err;
}
