This is a note to let you know that I've just added the patch titled
vp_vdpa: correct the return value when fail to map notification
to the 5.13-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:
vp_vdpa-correct-the-return-value-when-fail-to-map-no.patch
and it can be found in the queue-5.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b648482c59c1a973a55ec70d430bf06083d5d905
Author: Jason Wang <jasowang@xxxxxxxxxx>
Date: Thu Jun 24 11:59:39 2021 +0800
vp_vdpa: correct the return value when fail to map notification
[ Upstream commit 94e48d6aafef23143f92eadd010c505c49487576 ]
We forget to assign a error value when we fail to map the notification
during prove. This patch fixes it.
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Fixes: 11d8ffed00b23 ("vp_vdpa: switch to use vp_modern_map_vq_notify()")
Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210624035939.26618-1-jasowang@xxxxxxxxxx
Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c
index c76ebb531212..9145e0624565 100644
--- a/drivers/vdpa/virtio_pci/vp_vdpa.c
+++ b/drivers/vdpa/virtio_pci/vp_vdpa.c
@@ -442,6 +442,7 @@ static int vp_vdpa_probe(struct pci_dev *pdev, const struct pci_device_id *id)
vp_modern_map_vq_notify(mdev, i,
&vp_vdpa->vring[i].notify_pa);
if (!vp_vdpa->vring[i].notify) {
+ ret = -EINVAL;
dev_warn(&pdev->dev, "Fail to map vq notify %d\n", i);
goto err;
}
