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authorJeremy Linton <jeremy.linton@arm.com>2024-09-30 22:20:28 -0500
committerArd Biesheuvel <ardb@kernel.org>2024-10-15 20:21:20 +0200
commitc004703ed7ae6be30ee7dcb37801bda4c6a24c3b (patch)
tree07257eb5f35c0e69c914e122113f8445cc6b88fe /drivers/firmware/efi
parentade7ccba2d647fced0c1f5f290705dcab14b674e (diff)
efi/libstub: measure initrd to PCR9 independent of source
Currently the initrd is only measured if it can be loaded using the INITRD_MEDIA_GUID, if we are loading it from a path provided via the command line it is never measured. Lets move the check down a couple lines so the measurement happens independent of the source. Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'drivers/firmware/efi')
-rw-r--r--drivers/firmware/efi/libstub/efi-stub-helper.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
index e7346f8edb38..c0c81ca4237e 100644
--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -620,10 +620,6 @@ efi_status_t efi_load_initrd(efi_loaded_image_t *image,
status = efi_load_initrd_dev_path(&initrd, hard_limit);
if (status == EFI_SUCCESS) {
efi_info("Loaded initrd from LINUX_EFI_INITRD_MEDIA_GUID device path\n");
- if (initrd.size > 0 &&
- efi_measure_tagged_event(initrd.base, initrd.size,
- EFISTUB_EVT_INITRD) == EFI_SUCCESS)
- efi_info("Measured initrd data into PCR 9\n");
} else if (status == EFI_NOT_FOUND) {
status = efi_load_initrd_cmdline(image, &initrd, soft_limit,
hard_limit);
@@ -636,6 +632,11 @@ efi_status_t efi_load_initrd(efi_loaded_image_t *image,
if (status != EFI_SUCCESS)
goto failed;
+ if (initrd.size > 0 &&
+ efi_measure_tagged_event(initrd.base, initrd.size,
+ EFISTUB_EVT_INITRD) == EFI_SUCCESS)
+ efi_info("Measured initrd data into PCR 9\n");
+
status = efi_bs_call(allocate_pool, EFI_LOADER_DATA, sizeof(initrd),
(void **)&tbl);
if (status != EFI_SUCCESS)