[PATCH 1/1] efi_loader: simplify try_load_entry()
Heinrich Schuchardt
heinrich.schuchardt at canonical.com
Mon Apr 25 23:37:04 CEST 2022
Use function efi_create_indexed_name() to create the BootXXXX variable
name.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
lib/efi_loader/efi_bootmgr.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c
index 8c04ecbdc8..92fc2fcdf0 100644
--- a/lib/efi_loader/efi_bootmgr.c
+++ b/lib/efi_loader/efi_bootmgr.c
@@ -46,16 +46,12 @@ static efi_status_t try_load_entry(u16 n, efi_handle_t *handle,
void **load_options)
{
struct efi_load_option lo;
- u16 varname[] = u"Boot0000";
- u16 hexmap[] = u"0123456789ABCDEF";
+ u16 varname[9];
void *load_option;
efi_uintn_t size;
efi_status_t ret;
- varname[4] = hexmap[(n & 0xf000) >> 12];
- varname[5] = hexmap[(n & 0x0f00) >> 8];
- varname[6] = hexmap[(n & 0x00f0) >> 4];
- varname[7] = hexmap[(n & 0x000f) >> 0];
+ efi_create_indexed_name(varname, sizeof(varname), u"Boot", n);
load_option = efi_get_var(varname, &efi_global_variable_guid, &size);
if (!load_option)
--
2.34.1
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