linux-kernel - [PATCH] drivers: char: Directly use ida

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220527074422.2475104-1-liuke94@huawei.com>
Date:   Fri, 27 May 2022 07:44:22 +0000
From:   keliu <liuke94@...wei.com>
To:     <mpm@...enic.com>, <herbert@...dor.apana.org.au>,
        <minyard@....org>, <sudipm.mukherjee@...il.com>, <arnd@...db.de>,
        <gregkh@...uxfoundation.org>, <mst@...hat.com>,
        <lvivier@...hat.com>, <liuke94@...wei.com>,
        <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] drivers: char: Directly use ida_alloc()/free()

Use ida_alloc()/ida_free() instead of deprecated
ida_simple_get()/ida_simple_remove() .

Signed-off-by: keliu <liuke94@...wei.com>
---
 drivers/char/hw_random/virtio-rng.c | 6 +++---
 drivers/char/ipmi/ipmi_msghandler.c | 4 ++--
 drivers/char/ppdev.c                | 6 +++---
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index e856df7e285c..0ee602963c50 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;
@@ -165,7 +165,7 @@ 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;
@@ -183,7 +183,7 @@ 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);
 }
 
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index f1827257ef0e..c1584ed24a6b 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3018,7 +3018,7 @@ static void cleanup_bmc_work(struct work_struct *work)
 	int id = bmc->pdev.id; /* Unregister overwrites id */
 
 	platform_device_unregister(&bmc->pdev);
-	ida_simple_remove(&ipmi_bmc_ida, id);
+	ida_free(&ipmi_bmc_ida, id);
 }
 
 static void
@@ -3134,7 +3134,7 @@ static int __ipmi_bmc_register(struct ipmi_smi *intf,
 
 		bmc->pdev.name = "ipmi_bmc";
 
-		rv = ida_simple_get(&ipmi_bmc_ida, 0, 0, GFP_KERNEL);
+		rv = ida_alloc(&ipmi_bmc_ida, GFP_KERNEL);
 		if (rv < 0) {
 			kfree(bmc);
 			goto out;
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 38b46c7d1737..f6024d97fe70 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -299,7 +299,7 @@ static int register_device(int minor, struct pp_struct *pp)
 		goto err;
 	}
 
-	index = ida_simple_get(&ida_index, 0, 0, GFP_KERNEL);
+	index = ida_alloc(&ida_index, GFP_KERNEL);
 	memset(&ppdev_cb, 0, sizeof(ppdev_cb));
 	ppdev_cb.irq_func = pp_irq;
 	ppdev_cb.flags = (pp->flags & PP_EXCL) ? PARPORT_FLAG_EXCL : 0;
@@ -310,7 +310,7 @@ static int register_device(int minor, struct pp_struct *pp)
 	if (!pdev) {
 		pr_warn("%s: failed to register device!\n", name);
 		rc = -ENXIO;
-		ida_simple_remove(&ida_index, index);
+		ida_free(&ida_index, index);
 		goto err;
 	}
 
@@ -750,7 +750,7 @@ static int pp_release(struct inode *inode, struct file *file)
 
 	if (pp->pdev) {
 		parport_unregister_device(pp->pdev);
-		ida_simple_remove(&ida_index, pp->index);
+		ida_free(&ida_index, pp->index);
 		pp->pdev = NULL;
 		pr_debug(CHRDEV "%x: unregistered pardevice\n", minor);
 	}
-- 
2.25.1