[U-Boot] [PATCH] efi_loader: Fix partition offsets

[Heinrich Schuchardt]

On 12/07/2017 08:00 AM, Jonathan Gray wrote:
> On Fri, Dec 01, 2017 at 04:10:33PM +0100, Alexander Graf wrote:
>> Commit 884bcf6f65 (efi_loader: use proper device-paths for partitions) tried
>> to introduce the el torito scheme to all partition table types: Spawn
>> individual disk objects for each partition on a disk.
>>
>> Unfortunately, that code ended up creating partitions with offset=0 which meant
>> that anyone accessing these objects gets data from the raw block device instead
>> of the partition.
>>
>> Furthermore, all the el torito logic to spawn devices for partitions was
>> duplicated. So let's merge the two code paths and give partition disk objects
>> good offsets to work from, so that payloads can actually make use of them.
>>
>> Fixes: 884bcf6f65 (efi_loader: use proper device-paths for partitions)
>> Reported-by: Yousaf Kaukab <yousaf.kaukab at suse.com>
>> Signed-off-by: Alexander Graf <agraf at suse.de>
> 
> This once again broke being able to find a DEVICE_PATH_TYPE_MEDIA_DEVICE
> node with the loaded image protocol on rpi_3 with mmc/usb.

Could you, please, specify which software you are trying to call:
Linux EFI stub, Grub, or anything else?

Which patches did you consider?
Did you apply these patch series that are not yet in efi-next?
efi_loader: correct media device paths
efi_loader: avoid use after free

Regards

Heinrich