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

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-Id: <988c218ef3d91bffaf4c3db9b6fba0d369cbb2b2.1702326601.git.christophe.jaillet@wanadoo.fr>
Date:   Mon, 11 Dec 2023 21:31:11 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Parthiban Veerasooran <parthiban.veerasooran@...rochip.com>,
        Christian Gromm <christian.gromm@...rochip.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] most: 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/most/core.c      | 10 +++++-----
 drivers/most/most_cdev.c |  6 +++---
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/most/core.c b/drivers/most/core.c
index e4412c7d25b0..81d60d4ee8c2 100644
--- a/drivers/most/core.c
+++ b/drivers/most/core.c
@@ -1286,7 +1286,7 @@ int most_register_interface(struct most_interface *iface)
 	    !iface->poison_channel || (iface->num_channels > MAX_CHANNELS))
 		return -EINVAL;
 
-	id = ida_simple_get(&mdev_id, 0, 0, GFP_KERNEL);
+	id = ida_alloc(&mdev_id, GFP_KERNEL);
 	if (id < 0) {
 		dev_err(iface->dev, "Failed to allocate device ID\n");
 		return id;
@@ -1294,7 +1294,7 @@ int most_register_interface(struct most_interface *iface)
 
 	iface->p = kzalloc(sizeof(*iface->p), GFP_KERNEL);
 	if (!iface->p) {
-		ida_simple_remove(&mdev_id, id);
+		ida_free(&mdev_id, id);
 		return -ENOMEM;
 	}
 
@@ -1308,7 +1308,7 @@ int most_register_interface(struct most_interface *iface)
 		dev_err(iface->dev, "Failed to register interface device\n");
 		kfree(iface->p);
 		put_device(iface->dev);
-		ida_simple_remove(&mdev_id, id);
+		ida_free(&mdev_id, id);
 		return -ENOMEM;
 	}
 
@@ -1366,7 +1366,7 @@ int most_register_interface(struct most_interface *iface)
 	}
 	kfree(iface->p);
 	device_unregister(iface->dev);
-	ida_simple_remove(&mdev_id, id);
+	ida_free(&mdev_id, id);
 	return -ENOMEM;
 }
 EXPORT_SYMBOL_GPL(most_register_interface);
@@ -1397,7 +1397,7 @@ void most_deregister_interface(struct most_interface *iface)
 		device_unregister(&c->dev);
 	}
 
-	ida_simple_remove(&mdev_id, iface->p->dev_id);
+	ida_free(&mdev_id, iface->p->dev_id);
 	kfree(iface->p);
 	device_unregister(iface->dev);
 }
diff --git a/drivers/most/most_cdev.c b/drivers/most/most_cdev.c
index 3ed8f461e01e..b9423f82373d 100644
--- a/drivers/most/most_cdev.c
+++ b/drivers/most/most_cdev.c
@@ -100,7 +100,7 @@ static void destroy_cdev(struct comp_channel *c)
 
 static void destroy_channel(struct comp_channel *c)
 {
-	ida_simple_remove(&comp.minor_id, MINOR(c->devno));
+	ida_free(&comp.minor_id, MINOR(c->devno));
 	kfifo_free(&c->fifo);
 	kfree(c);
 }
@@ -425,7 +425,7 @@ static int comp_probe(struct most_interface *iface, int channel_id,
 	if (c)
 		return -EEXIST;
 
-	current_minor = ida_simple_get(&comp.minor_id, 0, 0, GFP_KERNEL);
+	current_minor = ida_alloc(&comp.minor_id, GFP_KERNEL);
 	if (current_minor < 0)
 		return current_minor;
 
@@ -472,7 +472,7 @@ static int comp_probe(struct most_interface *iface, int channel_id,
 err_free_c:
 	kfree(c);
 err_remove_ida:
-	ida_simple_remove(&comp.minor_id, current_minor);
+	ida_free(&comp.minor_id, current_minor);
 	return retval;
 }
 
-- 
2.34.1