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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> Link: https://lore.kernel.org/r/20240213101756.461701-1-arnd@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>