* Frank Munzert <munzert@de.ibm.com>
*/
+#define KMSG_COMPONENT "vmur"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/cdev.h>
#include <linux/smp_lock.h>
MODULE_DESCRIPTION("s390 z/VM virtual unit record device driver");
MODULE_LICENSE("GPL");
-#define PRINTK_HEADER "vmur: "
-
static dev_t ur_first_dev_maj_min;
static struct class *vmur_class;
static struct debug_info *vmur_dbf;
dev_t dev;
if (!MACHINE_IS_VM) {
- PRINT_ERR("%s is only available under z/VM.\n", ur_banner);
+ pr_err("The %s cannot be loaded without z/VM\n",
+ ur_banner);
return -ENODEV;
}
rc = alloc_chrdev_region(&dev, 0, NUM_MINORS, "vmur");
if (rc) {
- PRINT_ERR("alloc_chrdev_region failed: err = %d\n", rc);
+ pr_err("Kernel function alloc_chrdev_region failed with "
+ "error code %d\n", rc);
goto fail_unregister_driver;
}
ur_first_dev_maj_min = MKDEV(MAJOR(dev), 0);
rc = PTR_ERR(vmur_class);
goto fail_unregister_region;
}
- PRINT_INFO("%s loaded.\n", ur_banner);
+ pr_info("%s loaded.\n", ur_banner);
return 0;
fail_unregister_region:
unregister_chrdev_region(ur_first_dev_maj_min, NUM_MINORS);
ccw_driver_unregister(&ur_driver);
debug_unregister(vmur_dbf);
- PRINT_INFO("%s unloaded.\n", ur_banner);
+ pr_info("%s unloaded.\n", ur_banner);
}
module_init(ur_init);