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efi_loader: refactor boot device and loaded_image handling

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Get rid of the hacky fake boot-device and duplicate device-path
constructing (which needs to match what efi_disk and efi_net do).
Instead convert over to use efi_device_path helpers to construct
device-paths, and use that to look up the actual boot device.

Also, extract out a helper to plug things in properly to the
loaded_image.  In a following patch we'll want to re-use this in
efi_load_image() to handle the case of loading an image from a
file_path.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Rob Clark 2017-09-13 18:05:33 -04:00 • committed by Alexander Graf
parent e15fc33548
commit 95c5553ea2
4 changed files with 101 additions and 148 deletions
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5
lib/efi_loader/efi_net.c
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@ -207,7 +207,7 @@ void efi_net_set_dhcp_ack(void *pkt, int len)
}
/* This gets called from do_bootefi_exec(). */
int efi_net_register(void **handle)
int efi_net_register(void)
{
struct efi_net_obj *netobj;
@ -253,8 +253,5 @@ int efi_net_register(void **handle)
/* Hook net up to the device list */
list_add_tail(&netobj->parent.link, &efi_obj_list);
if (handle)
*handle = &netobj->net;
return 0;
}