diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2017-08-27 00:51:09 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2017-10-05 14:46:57 +0200 |
| commit | 3cc6e3fe9509d2b5eee6a698126acdde4746f0c6 (patch) | |
| tree | 850446071e89992ce448ec40b172e14d66ceb3b7 | |
| parent | 842a8e434e48e3d4d7a862c4a1676a698aa0954d (diff) | |
efi_loader: allow creating new handles
In efi_install_protocol_interface support creating
a new handle.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
| -rw-r--r-- | lib/efi_loader/efi_boottime.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index 9e741c3cf3..c8f39b5b10 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -266,6 +266,23 @@ static efi_status_t EFIAPI efi_free_pool_ext(void *buffer) return EFI_EXIT(r); } +static efi_status_t efi_create_handle(void **handle) +{ + struct efi_object *obj; + efi_status_t r; + + r = efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES, + sizeof(struct efi_object), + (void **)&obj); + if (r != EFI_SUCCESS) + return r; + memset(obj, 0, sizeof(struct efi_object)); + obj->handle = obj; + list_add_tail(&obj->link, &efi_obj_list); + *handle = obj; + return r; +} + /* * Our event capabilities are very limited. Only a small limited * number of events is allowed to coexist. @@ -520,8 +537,9 @@ static efi_status_t EFIAPI efi_install_protocol_interface(void **handle, /* Create new handle if requested. */ if (!*handle) { - r = EFI_OUT_OF_RESOURCES; - goto out; + r = efi_create_handle(handle); + if (r != EFI_SUCCESS) + goto out; } /* Find object. */ list_for_each(lhandle, &efi_obj_list) { |