arm: imx: hab: Print HAB event log only after calling ROM

The current flow of authenticate_image() will print the HAB event log even
if we reject an element of the IVT header before ever calling into the ROM.
This can be confusing.

This patch changes the flow of the code so that the HAB event log is only
printed out if we have called into the ROM and received some sort of status
code.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Suggested-by: Cc: Breno Matheus Lima <brenomatheus@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Sven Ebenfeld <sven.ebenfeld@gmail.com>
Cc: George McCollister <george.mccollister@gmail.com>
Tested-by: Breno Lima <breno.lima@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>

diff --git a/arch/arm/mach-imx/hab.c b/arch/arm/mach-imx/hab.c
index 079423a1e332f6ae2f7df339acfee911174c287b..3ae88a483d583ed695b0b45e936b23d431c267a7 100644 (file)
--- a/arch/arm/mach-imx/hab.c
+++ b/arch/arm/mach-imx/hab.c
@@ -478,14 +478,14 @@ int authenticate_image(uint32_t ddr_start, uint32_t image_size,
 
        if (hab_rvt_entry() != HAB_SUCCESS) {
                puts("hab entry function fail\n");
-               goto hab_caam_clock_disable;
+               goto hab_exit_failure_print_status;
        }
 
        status = hab_rvt_check_target(HAB_TGT_MEMORY, (void *)ddr_start, bytes);
        if (status != HAB_SUCCESS) {
                printf("HAB check target 0x%08x-0x%08x fail\n",
                       ddr_start, ddr_start + bytes);
-               goto hab_caam_clock_disable;
+               goto hab_exit_failure_print_status;
        }
 #ifdef DEBUG
        printf("\nivt_offset = 0x%x, ivt addr = 0x%x\n", ivt_offset, ivt_addr);
@@ -543,12 +543,14 @@ int authenticate_image(uint32_t ddr_start, uint32_t image_size,
                load_addr = 0;
        }
 
-hab_caam_clock_disable:
-       hab_caam_clock_enable(0);
-
+hab_exit_failure_print_status:
 #if !defined(CONFIG_SPL_BUILD)
        get_hab_status();
 #endif
+
+hab_caam_clock_disable:
+       hab_caam_clock_enable(0);
+
        if (load_addr != 0)
                result = 0;