From: Christoph Hellwig <hch@lst.de>
Date: Mon, 26 Jul 2021 16:35:24 +0200
Subject: vfio/mdev: don't warn if ->request is not set
Git-commit: 3fb1712d85962f81265b5018922a2da13cdf6033
Patch-mainline: v5.15-rc1
References: bsc#1205701
Only a single driver actually sets the ->request method, so don't print
a scary warning if it isn't.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20210726143524.155779-3-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
---
drivers/vfio/mdev/mdev_core.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c
index b16606ebafa1..b314101237fe 100644
--- a/drivers/vfio/mdev/mdev_core.c
+++ b/drivers/vfio/mdev/mdev_core.c
@@ -138,10 +138,6 @@ int mdev_register_device(struct device *dev, const struct mdev_parent_ops *ops)
if (!dev)
return -EINVAL;
- /* Not mandatory, but its absence could be a problem */
- if (!ops->request)
- dev_info(dev, "Driver cannot be asked to release device\n");
-
mutex_lock(&parent_list_lock);
/* Check for duplicate */