Re: [PATCH] tty: hvc-iucv: fix function pointer casts
From: Jiri Slaby <jirislaby@kernel.org>
Date: 2024-02-14 06:25:15
Also in:
linux-serial, lkml, llvm
On 13. 02. 24, 11:17, Arnd Bergmann wrote:
From: Arnd Bergmann <arnd@arndb.de>
clang warns about explicitly casting between incompatible function
pointers:
drivers/tty/hvc/hvc_iucv.c:1100:23: error: cast from 'void (*)(const void *)' to 'void (*)(struct device *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
1100 | priv->dev->release = (void (*)(struct device *)) kfree;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Add a separate function to handle this correctly.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
quoted hunk ↗ jump to hunk
diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c index fdecc0d63731..b1149bc62ca1 100644 --- a/drivers/tty/hvc/hvc_iucv.c +++ b/drivers/tty/hvc/hvc_iucv.c@@ -1035,6 +1035,10 @@ static const struct attribute_group *hvc_iucv_dev_attr_groups[] = { NULL, }; +static void hvc_iucv_free(struct device *data) +{ + kfree(data); +} /** * hvc_iucv_alloc() - Allocates a new struct hvc_iucv_private instance@@ -1097,7 +1101,7 @@ static int __init hvc_iucv_alloc(int id, unsigned int is_console) priv->dev->bus = &iucv_bus; priv->dev->parent = iucv_root; priv->dev->groups = hvc_iucv_dev_attr_groups; - priv->dev->release = (void (*)(struct device *)) kfree; + priv->dev->release = hvc_iucv_free; rc = device_register(priv->dev); if (rc) { put_device(priv->dev);
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