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vendorcode/google: Add error handling 

Coverity detects missing error handling after calling function
tlcl_lib_init. This change checks the function tlcl_lib_init return
value and handles error properly.

Found-by: Coverity CID 1431994
TEST=None

Signed-off-by: John Zhao <john.zhao@intel.com>
Change-Id: Ib831646b6a231ad57e3bfef85b801b592d572e6a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44777
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Caveh Jalali <caveh@chromium.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
John Zhao 2020-08-25 10:21:01 -07:00 committed by Patrick Georgi
parent 66b0c5e884
commit f90e3b9975
1 changed files with 9 additions and 1 deletions
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10
src/vendorcode/google/chromeos/cse_board_reset.c
View File

@ -9,14 +9,22 @@
#include <halt.h>
#include <intelblocks/cse.h>
#include <security/tpm/tss.h>
#include <vb2_api.h>
void cse_board_reset(void)
{
int ret;
struct cr50_firmware_version version;
/* Initialize TPM and get the cr50 firmware version. */
tlcl_lib_init();
ret = tlcl_lib_init();
if (ret != VB2_SUCCESS) {
printk(BIOS_ERR, "tlcl_lib_init() failed: 0x%x\n", ret);
return;
}
cr50_get_firmware_version(&version);
/*
* Cr50 firmware versions 0.[3|4].20 or newer support strap config 0xe where PLTRST from
* AP is connected to cr50's PLTRST# signal. So return immediately and trigger a