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drivers/intel/fsp2_0: Add NULL check while locating hob list ptr 

Assert incase unable to locate hob list pointer due to cbmem
is not available.

Change-Id: I17f54b07ab149ae06d09226ed9063189d829efe2
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/20749
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Subrata Banik 2017-07-24 19:09:31 +05:30 committed by Aaron Durbin
parent 815417145e
commit 097bd95837
1 changed files with 8 additions and 1 deletions
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9
src/drivers/intel/fsp2_0/hand_off_block.c
View File

@ -105,10 +105,14 @@ static void *fsp_hob_list_ptr CAR_GLOBAL;
static void save_hob_list(int is_recovery)
{
uint32_t *cbmem_loc;
const void *hob_list;
cbmem_loc = cbmem_add(CBMEM_ID_FSP_RUNTIME, sizeof(*cbmem_loc));
if (cbmem_loc == NULL)
die("Error: Could not add cbmem area for hob list.\n");
*cbmem_loc = (uintptr_t)fsp_get_hob_list();
hob_list = fsp_get_hob_list();
if (!hob_list)
die("Error: Could not locate hob list pointer.\n");
*cbmem_loc = (uintptr_t)hob_list;
}
ROMSTAGE_CBMEM_INIT_HOOK(save_hob_list);
@ -167,6 +171,9 @@ int fsp_find_range_hob(struct range_entry *re, const uint8_t guid[16])
const struct hob_resource *fsp_mem;
const void *hob_list = fsp_get_hob_list();
if (!hob_list)
return -1;
range_entry_init(re, 0, 0, 0);
fsp_mem = find_resource_hob_by_guid(hob_list, guid);