linux-kernel - [PATCH] hwrng: virtio - Remove usage of the deprecated ida_simple

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Message-Id: <ff9912450e608388a73bd331b5e5e5c816131071.1702233701.git.christophe.jaillet@wanadoo.fr>
Date:   Sun, 10 Dec 2023 19:41:51 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Olivia Mackall <olivia@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-crypto@...r.kernel.org
Subject: [PATCH] hwrng: virtio - 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().

This is less verbose.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/char/hw_random/virtio-rng.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index 58d92d62ddfe..7a4b45393acb 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -135,7 +135,7 @@ static int probe_common(struct virtio_device *vdev)
 	if (!vi)
 		return -ENOMEM;
 
-	vi->index = index = ida_simple_get(&rng_index_ida, 0, 0, GFP_KERNEL);
+	vi->index = index = ida_alloc(&rng_index_ida, GFP_KERNEL);
 	if (index < 0) {
 		err = index;
 		goto err_ida;
@@ -166,7 +166,7 @@ static int probe_common(struct virtio_device *vdev)
 	return 0;
 
 err_find:
-	ida_simple_remove(&rng_index_ida, index);
+	ida_free(&rng_index_ida, index);
 err_ida:
 	kfree(vi);
 	return err;
@@ -184,7 +184,7 @@ static void remove_common(struct virtio_device *vdev)
 		hwrng_unregister(&vi->hwrng);
 	virtio_reset_device(vdev);
 	vdev->config->del_vqs(vdev);
-	ida_simple_remove(&rng_index_ida, vi->index);
+	ida_free(&rng_index_ida, vi->index);
 	kfree(vi);
 }
 
-- 
2.34.1