1 files changed, 2 insertions, 0 deletions

diff --git a/firmware/target/arm/as3525/dma-pl081.c b/firmware/target/arm/as3525/dma-pl081.c
index 43f6162e38..149488c7d1 100644
--- a/firmware/target/arm/as3525/dma-pl081.c
+++ b/firmware/target/arm/as3525/dma-pl081.c
@@ -45,6 +45,8 @@ void dma_release(void)
         DMAC_CONFIGURATION &= ~(1<<0);
         CGU_PERI &= ~CGU_DMA_CLOCK_ENABLE;
     }
+    if (dma_used < 0)
+        panicf("dma_used < 0!");
 }
 
 void dma_init(void)