diff --git a/drivers/platform/msm/mhi_dev/mhi.c b/drivers/platform/msm/mhi_dev/mhi.c index 67a7fc97a699..56b846e18f89 100644 --- a/drivers/platform/msm/mhi_dev/mhi.c +++ b/drivers/platform/msm/mhi_dev/mhi.c @@ -466,6 +466,11 @@ static int mhi_dev_send_multiple_tr_events(struct mhi_dev *mhi, int evnt_ring, return -EINVAL; } + if (!ring) { + pr_err("%s(): Ring %d not present\n", __func__, evnt_ring_idx); + return -EINVAL; + } + ctx = (union mhi_dev_ring_ctx *)&mhi->ev_ctx_cache[evnt_ring]; if (mhi_ring_get_state(ring) == RING_STATE_UINT) {