[U-Boot] [U-Boot, v3, 3/6] disk: efi: correct the overlap check on GPT header and PTE

Tom Rini trini at konsulko.com
Tue Oct 24 18:15:25 UTC 2017


On Wed, Oct 18, 2017 at 03:11:05PM +0200, Patrick Delaunay wrote:

> the partition starting at 0x4400 is refused with overlap error:
>   $> gpt write mmc 0 "name=test,start=0x4400,size=0"
>   Writing GPT: Partition overlap
>   error!
> 
> even if the 0x4400 is the first available offset for LBA35 with default
> value:
> - MBR=LBA1
> - GPT header=LBA2
> - PTE= 32 LBAs (128 entry), 3 to 34
> 
> And the command to have one partition for all the disk failed also :
>   $> gpt write mmc 0 "name=test,size=0"
> 
> After the patch :
> 
>   $> gpt write mmc 0 "name=test,size=0"
>   Writing GPT: success!
>   $> part list mmc 0
> 
>   Partition Map for MMC device 0  --   Partition Type: EFI
> 
>   Part	Start LBA	End LBA		Name
> 	Attributes
> 	Type GUID
> 	Partition GUID
>   1	0x00000022	0x01ce9fde	"test"
> 	attrs:	0x0000000000000000
> 	type:	ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
> 	type:	data
> 	guid:	b4b84b8a-04e3-4000-0036-aff5c9c495b1
> 
> And 0x22 = 34 LBA => offset = 0x4400 is accepted as expected
> 
> Reviewed-by: Ɓukasz Majewski <lukma at denx.de>
> Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>

Applied to u-boot/master, thanks!

-- 
Tom
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