--- Russell King <[email protected]> wrote:
> So the
> only place for sane
> refcounting seems to be genhd.c, as per the patch
> below.
>
> Comments?
>
> diff -up -x BitKeeper -x ChangeSet -x SCCS -x _xlk -x
> *.orig -x *.rej -x .git a/block/genhd.c
> b/block/genhd.c
> --- a/block/genhd.c Sat Feb 18 10:31:37 2006
> +++ b/block/genhd.c Fri Apr 7 15:22:21 2006
> @@ -262,6 +262,7 @@ static int exact_lock(dev_t dev,
> void *d
> */
> void add_disk(struct gendisk *disk)
> {
> + get_device(disk->driverfs_dev);
> disk->flags |= GENHD_FL_UP;
> blk_register_region(MKDEV(disk->major,
> disk->first_minor),
> disk->minors, NULL, exact_match, exact_lock,
> disk);
> @@ -507,6 +508,7 @@ static struct attribute *
> default_attrs[
> static void disk_release(struct kobject * kobj)
> {
> struct gendisk *disk = to_disk(kobj);
> + put_device(disk->driverfs_dev);
> kfree(disk->random);
> kfree(disk->part);
> free_disk_stats(disk);
I can confirm that this patch is working.
The 2.6.16-git20 kernel doesn't oops on
ejecting the card after the patch is applied.
Mikkel
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