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Message-Id: <20240506194454.1160315-5-hca@linux.ibm.com>
Date: Mon, 6 May 2024 21:44:52 +0200
From: Heiko Carstens <hca@...ux.ibm.com>
To: Nathan Chancellor <nathan@...nel.org>, Arnd Bergmann <arnd@...db.de>,
Thomas Huth <thuth@...hat.com>,
Alexandra Winter <wintera@...ux.ibm.com>,
Thorsten Winkler <twinkler@...ux.ibm.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Jiri Slaby <jirislaby@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
Vasily Gorbik <gor@...ux.ibm.com>,
Alexander Gordeev <agordeev@...ux.ibm.com>, netdev@...r.kernel.org,
llvm@...ts.linux.dev, patches@...ts.linux.dev,
Sven Schnelle <svens@...ux.ibm.com>,
Christian Borntraeger <borntraeger@...ux.ibm.com>
Subject: [PATCH 4/6] s390/smsgiucv_app: Make use of iucv_alloc_device()
Make use of iucv_alloc_device() to get rid of quite some code. In addition
this also removes a cast to an incompatible function (clang W=1):
drivers/s390/net/smsgiucv_app.c:176:26: error: cast from 'void (*)(const void *)' to 'void (*)(struct device *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
176 | smsg_app_dev->release = (void (*)(struct device *)) kfree;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Reported-by: Nathan Chancellor <nathan@...nel.org>
Closes: https://lore.kernel.org/r/20240417-s390-drivers-fix-cast-function-type-v1-2-fd048c9903b0@kernel.org
Signed-off-by: Heiko Carstens <hca@...ux.ibm.com>
---
drivers/s390/net/smsgiucv_app.c | 21 +++++----------------
1 file changed, 5 insertions(+), 16 deletions(-)
diff --git a/drivers/s390/net/smsgiucv_app.c b/drivers/s390/net/smsgiucv_app.c
index 0a263999f7ae..cc44cbb0028b 100644
--- a/drivers/s390/net/smsgiucv_app.c
+++ b/drivers/s390/net/smsgiucv_app.c
@@ -156,25 +156,14 @@ static int __init smsgiucv_app_init(void)
if (!MACHINE_IS_VM)
return -ENODEV;
- smsg_app_dev = kzalloc(sizeof(*smsg_app_dev), GFP_KERNEL);
+ smsgiucv_drv = driver_find(SMSGIUCV_DRV_NAME, &iucv_bus);
+ if (!smsgiucv_drv)
+ return -ENODEV;
+
+ smsg_app_dev = iucv_alloc_device(NULL, smsgiucv_drv, NULL, KMSG_COMPONENT);
if (!smsg_app_dev)
return -ENOMEM;
- smsgiucv_drv = driver_find(SMSGIUCV_DRV_NAME, &iucv_bus);
- if (!smsgiucv_drv) {
- kfree(smsg_app_dev);
- return -ENODEV;
- }
-
- rc = dev_set_name(smsg_app_dev, KMSG_COMPONENT);
- if (rc) {
- kfree(smsg_app_dev);
- goto fail;
- }
- smsg_app_dev->bus = &iucv_bus;
- smsg_app_dev->parent = iucv_root;
- smsg_app_dev->release = (void (*)(struct device *)) kfree;
- smsg_app_dev->driver = smsgiucv_drv;
rc = device_register(smsg_app_dev);
if (rc) {
put_device(smsg_app_dev);
--
2.40.1
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