From ea544574d06e8a149c447b35c5e8fba96e61152a Mon Sep 17 00:00:00 2001 From: Yu-Ping Wu Date: Thu, 14 Nov 2019 11:38:44 +0800 Subject: security/vboot: Remove buffer_size from struct vboot_working_data Since buffer_size is no longer used, remove it from struct vboot_working_data. BRANCH=none BUG=chromium:1021452 TEST=emerge-kukui coreboot Change-Id: Ie770e89b4a45e0ec703d5bbb8fb6a298ce915056 Signed-off-by: Yu-Ping Wu Reviewed-on: https://review.coreboot.org/c/coreboot/+/36844 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner --- src/security/vboot/common.c | 14 +++----------- src/security/vboot/misc.h | 1 - 2 files changed, 3 insertions(+), 12 deletions(-) (limited to 'src/security') diff --git a/src/security/vboot/common.c b/src/security/vboot/common.c index 043748cbef..3f57602cb1 100644 --- a/src/security/vboot/common.c +++ b/src/security/vboot/common.c @@ -73,11 +73,11 @@ struct vb2_context *vboot_get_context(void) */ memset(wd, 0, sizeof(*wd)); wd->buffer_offset = ALIGN_UP(sizeof(*wd), 16); - wd->buffer_size = VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE - - wd->buffer_offset; /* Initialize vb2_shared_data and friends. */ - assert(vb2api_init(vboot_get_workbuf(wd), wd->buffer_size, + assert(vb2api_init(vboot_get_workbuf(wd), + VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE - + wd->buffer_offset, vboot_ctx_ptr) == VB2_SUCCESS); return *vboot_ctx_ptr; @@ -137,14 +137,6 @@ static void vboot_migrate_cbmem(int unused) cbmem_add(CBMEM_ID_VBOOT_WORKBUF, cbmem_size); assert(wd_cbmem != NULL); memcpy(wd_cbmem, wd_preram, sizeof(struct vboot_working_data)); - /* - * TODO(chromium:1021452): buffer_size is uint16_t and not large enough - * to hold the kernel verification workbuf size. The only code which - * reads this value is in lb_vboot_workbuf() for lb_range->range_size. - * This value being zero doesn't cause any problems, since it is never - * read downstream. Fix or deprecate vboot_working_data. - */ - wd_cbmem->buffer_size = 0; vb2api_relocate(vboot_get_workbuf(wd_cbmem), vboot_get_workbuf(wd_preram), cbmem_size - wd_cbmem->buffer_offset, diff --git a/src/security/vboot/misc.h b/src/security/vboot/misc.h index 812bbe7267..e438848635 100644 --- a/src/security/vboot/misc.h +++ b/src/security/vboot/misc.h @@ -39,7 +39,6 @@ struct vboot_working_data { struct selected_region selected_region; /* offset of the buffer from the start of this struct */ uint16_t buffer_offset; - uint16_t buffer_size; }; /* -- cgit v1.2.3