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idc: zephyr_idc: check target core before taking idc_mutex #10889

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idc: zephyr_idc: check target core before taking idc_mutex #10889

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9 changes: 5 additions & 4 deletions src/idc/zephyr_idc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,11 @@ int idc_send_msg(struct idc_msg *msg, uint32_t mode)
int ret;
int idc_send_memcpy_err __unused;

if (!cpu_is_core_enabled(target_cpu)) {
tr_err(&zephyr_idc_tr, "Core %u is down, cannot send IDC message", target_cpu);
return -EACCES;
}

k_mutex_lock(&idc_mutex, K_FOREVER);

if (unlikely(work->thread)) {
Expand All @@ -153,10 +158,6 @@ int idc_send_msg(struct idc_msg *msg, uint32_t mode)
work->handler = idc_handler;
work->sync = mode == IDC_BLOCKING;

if (!cpu_is_core_enabled(target_cpu)) {
tr_err(&zephyr_idc_tr, "Core %u is down, cannot sent IDC message", target_cpu);
return -EACCES;
}
if (msg->payload) {
idc_send_memcpy_err = memcpy_s(payload->data, sizeof(payload->data),
msg->payload, msg->size);
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