Fix: fixing coverity issue for SPM Core.
spmd_get_context_by_mpidr was using potentially negative value as an
array index. plat_core_pos_by_mpidr could return -1 on failure which is
utilized by some platforms.
Signed-off-by: Max Shvetsov <maksims.svecovs@arm.com>
Change-Id: I7f8827e77f18da389c9cafdc1fc841aba9f03120
diff --git a/services/std_svc/spmd/spmd_main.c b/services/std_svc/spmd/spmd_main.c
index 6f0d9b1..10da08e 100644
--- a/services/std_svc/spmd/spmd_main.c
+++ b/services/std_svc/spmd/spmd_main.c
@@ -46,7 +46,14 @@
******************************************************************************/
spmd_spm_core_context_t *spmd_get_context_by_mpidr(uint64_t mpidr)
{
- return &spm_core_context[plat_core_pos_by_mpidr(mpidr)];
+ int core_idx = plat_core_pos_by_mpidr(mpidr);
+
+ if (core_idx < 0) {
+ ERROR("Invalid mpidr: %llx, returned ID: %d\n", mpidr, core_idx);
+ panic();
+ }
+
+ return &spm_core_context[core_idx];
}
/*******************************************************************************