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Message-ID: <bd27d4066f7749997a75cf4111fbf51e11d5898d.1705350942.git.christophe.jaillet@wanadoo.fr>
Date: Mon, 15 Jan 2024 21:35:50 +0100
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: "Michael S. Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>
Cc: linux-kernel@...r.kernel.org,
kernel-janitors@...r.kernel.org,
Christophe JAILLET <christophe.jaillet@...adoo.fr>,
kvm@...r.kernel.org,
virtualization@...ts.linux.dev,
netdev@...r.kernel.org
Subject: [PATCH] vhost-vdpa: Remove usage of the deprecated ida_simple_xx() API
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
Note that the upper limit of ida_simple_get() is exclusive, buInputt the one of
ida_alloc_max() is inclusive. So a -1 has been added when needed.
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
drivers/vhost/vdpa.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index bc4a51e4638b..849b9d2dd51f 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -1534,7 +1534,7 @@ static void vhost_vdpa_release_dev(struct device *device)
struct vhost_vdpa *v =
container_of(device, struct vhost_vdpa, dev);
- ida_simple_remove(&vhost_vdpa_ida, v->minor);
+ ida_free(&vhost_vdpa_ida, v->minor);
kfree(v->vqs);
kfree(v);
}
@@ -1557,8 +1557,8 @@ static int vhost_vdpa_probe(struct vdpa_device *vdpa)
if (!v)
return -ENOMEM;
- minor = ida_simple_get(&vhost_vdpa_ida, 0,
- VHOST_VDPA_DEV_MAX, GFP_KERNEL);
+ minor = ida_alloc_max(&vhost_vdpa_ida, VHOST_VDPA_DEV_MAX - 1,
+ GFP_KERNEL);
if (minor < 0) {
kfree(v);
return minor;
--
2.43.0
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