brain-hackers_pepepper-mirror
/
u-boot-brain
mirror of https://github.com/brain-hackers/u-boot-brain
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

efi_loader: cleanup for tee backed variables 

There's 2 variables in efi_get_next_variable_name() checking the size of
the variable name. Let's get rid of the reduntant definition and
simplitfy the code a bit.

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Ilias Apalodimas 2020-07-01 16:41:25 +03:00 committed by Heinrich Schuchardt
parent 491bfe8606
commit ecb833a0c6
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/efi_loader/efi_variable_tee.c
View File

@ -351,7 +351,6 @@ efi_status_t EFIAPI efi_get_next_variable_name(efi_uintn_t *variable_name_size,
efi_uintn_t out_name_size;
efi_uintn_t in_name_size;
efi_uintn_t tmp_dsize;
efi_uintn_t name_size;
u8 *comm_buf = NULL;
efi_status_t ret;
@ -370,19 +369,18 @@ efi_status_t EFIAPI efi_get_next_variable_name(efi_uintn_t *variable_name_size,
goto out;
}
name_size = u16_strsize(variable_name);
if (name_size > max_payload_size - MM_VARIABLE_GET_NEXT_HEADER_SIZE) {
if (in_name_size > max_payload_size - MM_VARIABLE_GET_NEXT_HEADER_SIZE) {
ret = EFI_INVALID_PARAMETER;
goto out;
}
/* Trim output buffer size */
tmp_dsize = *variable_name_size;
if (name_size + tmp_dsize >
if (in_name_size + tmp_dsize >
max_payload_size - MM_VARIABLE_GET_NEXT_HEADER_SIZE) {
tmp_dsize = max_payload_size -
MM_VARIABLE_GET_NEXT_HEADER_SIZE -
name_size;
in_name_size;
}
payload_size = MM_VARIABLE_GET_NEXT_HEADER_SIZE + out_name_size;