linux-kernel - [PATCH] virtio_pci: device-specific release callback

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Date:	Sun, 4 Jan 2015 13:32:01 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	virtualization@...ts.linux-foundation.org,
	Sasha Levin <sasha.levin@...cle.com>
Subject: [PATCH] virtio_pci: device-specific release callback

It turns out we need to add device-specific code
in release callback. Move it to virtio_pci_legacy.c.

Reported-by: Sasha Levin <sasha.levin@...cle.com>
Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
---

This is intended as dependency for Sasha's patch adding
code to release callback.

 drivers/virtio/virtio_pci_common.h | 1 -
 drivers/virtio/virtio_pci_common.c | 9 ---------
 drivers/virtio/virtio_pci_legacy.c | 9 +++++++++
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/virtio/virtio_pci_common.h b/drivers/virtio/virtio_pci_common.h
index 1584833..24956c5 100644
--- a/drivers/virtio/virtio_pci_common.h
+++ b/drivers/virtio/virtio_pci_common.h
@@ -146,7 +146,6 @@ const char *vp_bus_name(struct virtio_device *vdev);
  * - ignore the affinity request if we're using INTX
  */
 int vp_set_vq_affinity(struct virtqueue *vq, int cpu);
-void virtio_pci_release_dev(struct device *);
 
 int virtio_pci_legacy_probe(struct pci_dev *pci_dev,
 			    const struct pci_device_id *id);
diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c
index 7bc69a4..08d0b04 100644
--- a/drivers/virtio/virtio_pci_common.c
+++ b/drivers/virtio/virtio_pci_common.c
@@ -421,15 +421,6 @@ int vp_set_vq_affinity(struct virtqueue *vq, int cpu)
 	return 0;
 }
 
-void virtio_pci_release_dev(struct device *_d)
-{
-	/*
-	 * No need for a release method as we allocate/free
-	 * all devices together with the pci devices.
-	 * Provide an empty one to avoid getting a warning from core.
-	 */
-}
-
 #ifdef CONFIG_PM_SLEEP
 static int virtio_pci_freeze(struct device *dev)
 {
diff --git a/drivers/virtio/virtio_pci_legacy.c b/drivers/virtio/virtio_pci_legacy.c
index 6c76f0f..08d1915 100644
--- a/drivers/virtio/virtio_pci_legacy.c
+++ b/drivers/virtio/virtio_pci_legacy.c
@@ -211,6 +211,15 @@ static const struct virtio_config_ops virtio_pci_config_ops = {
 	.set_vq_affinity = vp_set_vq_affinity,
 };
 
+static void virtio_pci_release_dev(struct device *_d)
+{
+	/*
+	 * No need for a release method as we allocate/free
+	 * all devices together with the pci devices.
+	 * Provide an empty one to avoid getting a warning from core.
+	 */
+}
+
 /* the PCI probing function */
 int virtio_pci_legacy_probe(struct pci_dev *pci_dev,
 			    const struct pci_device_id *id)
-- 
MST
--
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