diff options
Diffstat (limited to 'services/std_svc/spm/spci.c')
| -rw-r--r-- | services/std_svc/spm/spci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/services/std_svc/spm/spci.c b/services/std_svc/spm/spci.c index cbb0f3cc..1544ae16 100644 --- a/services/std_svc/spm/spci.c +++ b/services/std_svc/spm/spci.c @@ -291,6 +291,12 @@ static uint64_t spci_service_request_blocking(void *handle, SMC_RET1(handle, SPCI_BUSY); } + if (spm_sp_request_increase_if_zero(sp_ctx) == -1) { + spin_unlock(&spci_handles_lock); + + SMC_RET1(handle, SPCI_BUSY); + } + /* Prevent this handle from being closed */ handle_info->num_active_requests += 1; @@ -348,6 +354,7 @@ static uint64_t spci_service_request_blocking(void *handle, spin_lock(&spci_handles_lock); handle_info->num_active_requests -= 1; spin_unlock(&spci_handles_lock); + spm_sp_request_decrease(sp_ctx); /* Restore non-secure state */ cm_el1_sysregs_context_restore(NON_SECURE); |