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floppy: Avoid manual call of device_create_file()

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Use the static attribute groups assigned to the device instead of
calling device_create_file() after the device registration.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Takashi Iwai 2015-02-02 17:08:45 +01:00 committed by Jiri Kosina
parent ac3dd5bd12
commit b7f120b211
1 changed files with 8 additions and 9 deletions
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17
drivers/block/floppy.c
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@ -4112,6 +4112,13 @@ static ssize_t floppy_cmos_show(struct device *dev,
static DEVICE_ATTR(cmos, S_IRUGO, floppy_cmos_show, NULL);
static struct attribute *floppy_dev_attrs[] = {
&dev_attr_cmos.attr,
NULL
};
ATTRIBUTE_GROUPS(floppy_dev);
static void floppy_device_release(struct device *dev)
{
}
@ -4324,16 +4331,12 @@ static int __init do_floppy_init(void)
floppy_device[drive].name = floppy_device_name;
floppy_device[drive].id = drive;
floppy_device[drive].dev.release = floppy_device_release;
floppy_device[drive].dev.groups = floppy_dev_groups;
err = platform_device_register(&floppy_device[drive]);
if (err)
goto out_remove_drives;
err = device_create_file(&floppy_device[drive].dev,
&dev_attr_cmos);
if (err)
goto out_unreg_platform_dev;
/* to be cleaned up... */
disks[drive]->private_data = (void *)(long)drive;
disks[drive]->flags |= GENHD_FL_REMOVABLE;
@ -4343,13 +4346,10 @@ static int __init do_floppy_init(void)
return 0;
out_unreg_platform_dev:
platform_device_unregister(&floppy_device[drive]);
out_remove_drives:
while (drive--) {
if (floppy_available(drive)) {
del_gendisk(disks[drive]);
device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos);
platform_device_unregister(&floppy_device[drive]);
}
}
@ -4594,7 +4594,6 @@ static void __exit floppy_module_exit(void)
if (floppy_available(drive)) {
del_gendisk(disks[drive]);
device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos);
platform_device_unregister(&floppy_device[drive]);
}
blk_cleanup_queue(disks[drive]->queue);