On Tue, Jun 21, 2016 at 11:20 PM, Bart Van Assche
<bart.vanassche@xxxxxxxxxxx> wrote:
> On 06/21/2016 10:47 PM, Dan Williams wrote:
>>
>> In preparation for the removal of 'driverfs_dev' from 'struct gendisk'
>> use a local variable to track the parented vs un-parented case in
>> ubd_disk_register().
>>
>> Cc: Jeff Dike <jdike@xxxxxxxxxxx>
>> Cc: Richard Weinberger <richard@xxxxxx>
>> Reported-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
>> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
>> ---
>> arch/um/drivers/ubd_kern.c | 5 +++--
>> 1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
>> index ef6b4d960bad..8ec7b4112f55 100644
>> --- a/arch/um/drivers/ubd_kern.c
>> +++ b/arch/um/drivers/ubd_kern.c
>> @@ -801,6 +801,7 @@ static void ubd_device_release(struct device *dev)
>> static int ubd_disk_register(int major, u64 size, int unit,
>> struct gendisk **disk_out)
>> {
>> + struct device *dev = NULL;
>> struct gendisk *disk;
>>
>> disk = alloc_disk(1 << UBD_SHIFT);
>> @@ -823,12 +824,12 @@ static int ubd_disk_register(int major, u64 size,
>> int unit,
>> ubd_devs[unit].pdev.dev.release = ubd_device_release;
>> dev_set_drvdata(&ubd_devs[unit].pdev.dev,
>> &ubd_devs[unit]);
>> platform_device_register(&ubd_devs[unit].pdev);
>> - disk->driverfs_dev = &ubd_devs[unit].pdev.dev;
>> + dev = &ubd_devs[unit].pdev.dev;
>> }
>>
>> disk->private_data = &ubd_devs[unit];
>> disk->queue = ubd_devs[unit].queue;
>> - add_disk(disk);
>> + device_add_disk(dev, disk);
>>
>> *disk_out = disk;
>> return 0;
>
>
> Hello Dan,
>
> The Reported-by tag is intended to give people credit who find bugs in the
> upstream kernel. What I reported was a bug not in the upstream kernel but in
> a previous version of this patch series so I think the "Reported-by" tag can
> be left out from this patch.
I see nothing wrong with using it to give credit to patches during
review, I also do this when static analysis finds a problem in a patch
before it gets upstream. If the report fixes upstream code then I
additionally add a "Fixes" tag. If you'd rather I don't list you as
reported-by that's fine, but there's nothing in the definition of
Reported-by in Documentation/SubmittingPatches that requires the bug
to be upstream first.
> Additionally, please consider to use a more descriptive name instead of
> "dev", e.g. "parent".
Sure, will do.
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