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[Qemu-devel] [PATCH] milkymist-pfpu: fix potential integer overflow


From: Michael Walle
Subject: [Qemu-devel] [PATCH] milkymist-pfpu: fix potential integer overflow
Date: Fri, 14 Oct 2016 11:51:50 +0200

Since the lm32 is a 32 bit architecture, just return a 32 bit value which
is then converted to a 64 bit value.

Spotted by coverity, CID 1005506.

Signed-off-by: Michael Walle <address@hidden>
---
 hw/misc/milkymist-pfpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/misc/milkymist-pfpu.c b/hw/misc/milkymist-pfpu.c
index 1da21a6..3ca2589 100644
--- a/hw/misc/milkymist-pfpu.c
+++ b/hw/misc/milkymist-pfpu.c
@@ -137,7 +137,7 @@ struct MilkymistPFPUState {
 };
 typedef struct MilkymistPFPUState MilkymistPFPUState;
 
-static inline hwaddr
+static inline uint32_t
 get_dma_address(uint32_t base, uint32_t x, uint32_t y)
 {
     return base + 8 * (128 * y + x);
-- 
2.1.4




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