dma-debug: fix off-by-one error in overlap function

[safe/jmp/linux-2.6] / lib / dma-debug.c

diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 3b93129..a9b6b5c 100644 (file)
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -862,7 +862,7 @@ static inline bool overlap(void *addr, u64 size, void *start, void *end)
 
        return ((addr >= start && addr < end) ||
                (addr2 >= start && addr2 < end) ||
-               ((addr < start) && (addr2 >= end)));
+               ((addr < start) && (addr2 > end)));
 }
 
 static void check_for_illegal_area(struct device *dev, void *addr, u64 size)