[PATCH 2/6] partitions: gpt: only write actual ptes size to device

Ahmad Fatoum a.fatoum at pengutronix.de
Mon Dec 15 04:29:41 PST 2025



On 12/3/25 4:19 PM, Sascha Hauer wrote:
> For the alternate GPT we hardcode to write 32 blocks for the partition
> entries. When writing partitions we only accept partition tables with
> 128 entries which translates to 32 blocks anyway, so no functional
> change, but for correctness use the variable we also use for writing
> the primary GPT's partition entries.
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>

Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>

> ---
>  common/partitions/efi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/common/partitions/efi.c b/common/partitions/efi.c
> index da9c2d89c1c68ae1acebc1f8eaea8da48243f0d6..76c5393dddb04e2966d3a4b4478d5085f008d935 100644
> --- a/common/partitions/efi.c
> +++ b/common/partitions/efi.c
> @@ -801,7 +801,7 @@ static __maybe_unused int efi_partition_write(struct partition_desc *pd)
>  
>  	if (ret)
>  		goto err_block_write;
> -	ret = block_write(blk, epd->ptes, last_lba(blk) - 32, 32);
> +	ret = block_write(blk, epd->ptes, last_lba(blk) - 32, size);
>  	if (ret)
>  		goto err_block_write;
>  
> 

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