Fix Wstringop-overflow warning on latest ARM SDK (betaflight#13659)

Fix Wstringop-overflow warning
HThuren · May 30, 2024 · 6885deb · 6885deb
1 parent 1074950
commit 6885deb
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/main/drivers/dma_common.c b/src/main/drivers/dma_common.c
@@ -33,6 +33,12 @@ dmaIdentifier_e dmaAllocate(dmaIdentifier_e identifier, resourceOwner_e owner, u
     }
 
     const int index = DMA_IDENTIFIER_TO_INDEX(identifier);
+
+    // Prevent Wstringop-overflow warning
+    if (index < 0 || index >= DMA_LAST_HANDLER) {
+        return DMA_NONE;
+    }
+
     dmaDescriptors[index].owner.owner = owner;
     dmaDescriptors[index].owner.resourceIndex = resourceIndex;