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s390/smsgiucv_app: Make use of iucv_alloc_device()

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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@kernel.org>
Closes: https://lore.kernel.org/r/20240417-s390-drivers-fix-cast-function-type-v1-2-fd048c9903b0@kernel.org
Acked-by: Alexandra Winter <wintera@linux.ibm.com>
Link: https://lore.kernel.org/r/20240506194454.1160315-5-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2024-05-06 21:44:52 +02:00 committed by Alexander Gordeev
parent 968bfb566d
commit 3bbde49ec5
1 changed files with 5 additions and 16 deletions
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21
drivers/s390/net/smsgiucv_app.c
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@ -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);