diff --git a/drivers/staging/most/hdm-dim2/dim2_hdm.c b/drivers/staging/most/hdm-dim2/dim2_hdm.c
index a36449551513..89a66bb914e4 100644
--- a/drivers/staging/most/hdm-dim2/dim2_hdm.c
+++ b/drivers/staging/most/hdm-dim2/dim2_hdm.c
@@ -705,12 +705,14 @@ static int poison_channel(struct most_interface *most_iface, int ch_idx)
 	if (!hdm_ch->is_initialized)
 		return -EPERM;
 
+	tasklet_disable(&dim2_tasklet);
 	spin_lock_irqsave(&dim_lock, flags);
 	hal_ret = dim_destroy_channel(&hdm_ch->ch);
 	hdm_ch->is_initialized = false;
 	if (ch_idx == dev->atx_idx)
 		dev->atx_idx = -1;
 	spin_unlock_irqrestore(&dim_lock, flags);
+	tasklet_enable(&dim2_tasklet);
 	if (hal_ret != DIM_NO_ERROR) {
 		pr_err("HAL Failed to close channel %s\n", hdm_ch->name);
 		ret = -EFAULT;