int rc;
char * s;
- tcd = kmalloc(sizeof(struct tape_class_device), GFP_KERNEL);
+ tcd = kzalloc(sizeof(struct tape_class_device), GFP_KERNEL);
if (!tcd)
return ERR_PTR(-ENOMEM);
- memset(tcd, 0, sizeof(struct tape_class_device));
strncpy(tcd->device_name, device_name, TAPECLASS_NAME_LEN);
for (s = strchr(tcd->device_name, '/'); s; s = strchr(s, '/'))
*s = '!';
device,
"%s", tcd->device_name
);
- sysfs_create_link(
+ rc = IS_ERR(tcd->class_device) ? PTR_ERR(tcd->class_device) : 0;
+ if (rc)
+ goto fail_with_cdev;
+ rc = sysfs_create_link(
&device->kobj,
&tcd->class_device->kobj,
tcd->mode_name
);
+ if (rc)
+ goto fail_with_class_device;
return tcd;
+fail_with_class_device:
+ class_device_destroy(tape_class, tcd->char_device->dev);
+
fail_with_cdev:
cdev_del(tcd->char_device);