From: Michael Walle <michael@walle.cc>
Date: Fri, 14 Oct 2016 09:51:50 +0000 (+0200)
Subject: milkymist-pfpu: fix potential integer overflow
X-Git-Tag: Tizen_Studio_1.3_Release_p2.3.2~10^2~14^2~5^2~95^2~13
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c1a900cf4a3925c2e4b313b82da5df955f17b70a;p=sdk%2Femulator%2Fqemu.git

milkymist-pfpu: fix potential integer overflow

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 <michael@walle.cc>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---

diff --git a/hw/misc/milkymist-pfpu.c b/hw/misc/milkymist-pfpu.c
index 1da21a643e..3ca25894f1 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);