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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>
This commit is contained in:
Michael Walle 2016-10-14 11:51:50 +02:00 committed by Michael Tokarev
parent f96fe6b5c2
commit c1a900cf4a
1 changed files with 1 additions and 1 deletions
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2
hw/misc/milkymist-pfpu.c
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@ -137,7 +137,7 @@ struct MilkymistPFPUState {
}; };
typedef struct MilkymistPFPUState MilkymistPFPUState; typedef struct MilkymistPFPUState MilkymistPFPUState;
static inline hwaddr static inline uint32_t
get_dma_address(uint32_t base, uint32_t x, uint32_t y) get_dma_address(uint32_t base, uint32_t x, uint32_t y)
{ {
return base + 8 * (128 * y + x); return base + 8 * (128 * y + x);