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efi_loader: create full device path for block devices

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When creating the device path of a block device it has to
comprise the block device itself and should not end at
its parent.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2017-12-11 12:56:43 +01:00 • committed by Alexander Graf
parent 485c13c753
commit 2bc61b8352
1 changed files with 16 additions and 2 deletions
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18
lib/efi_loader/efi_device_path.c
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@ -383,7 +383,14 @@ static unsigned dp_part_size(struct blk_desc *desc, int part)
unsigned dpsize;
#ifdef CONFIG_BLK
dpsize = dp_size(desc->bdev->parent);
{
struct udevice *dev;
int ret = blk_find_device(desc->if_type, desc->devnum, &dev);
if (ret)
dev = desc->bdev->parent;
dpsize = dp_size(dev);
}
#else
dpsize = sizeof(ROOT) + sizeof(struct efi_device_path_usb);
#endif
@ -411,7 +418,14 @@ static void *dp_part_fill(void *buf, struct blk_desc *desc, int part)
disk_partition_t info;
#ifdef CONFIG_BLK
buf = dp_fill(buf, desc->bdev->parent);
{
struct udevice *dev;
int ret = blk_find_device(desc->if_type, desc->devnum, &dev);
if (ret)
dev = desc->bdev->parent;
buf = dp_fill(buf, dev);
}
#else
/*
* We *could* make a more accurate path, by looking at if_type