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[Qemu-devel] [PULL 15/17] hw/timer/exynos4210_mct: Avoid overflow in exy
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 15/17] hw/timer/exynos4210_mct: Avoid overflow in exynos4210_ltick_recalc_count |
Date: |
Tue, 13 May 2014 16:31:37 +0100 |
Add casts to avoid potentially overflowing the multiplications
of 32 bit quantities in exynos4210_ltick_recalc_count().
Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Peter Crosthwaite <address@hidden>
---
hw/timer/exynos4210_mct.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/timer/exynos4210_mct.c b/hw/timer/exynos4210_mct.c
index 01e750e..015bbaf 100644
--- a/hw/timer/exynos4210_mct.c
+++ b/hw/timer/exynos4210_mct.c
@@ -818,14 +818,14 @@ static void exynos4210_ltick_recalc_count(struct
tick_timer *s)
*/
if (s->last_tcnto) {
- to_count = s->last_tcnto * s->last_icnto;
+ to_count = (uint64_t)s->last_tcnto * s->last_icnto;
} else {
to_count = s->last_icnto;
}
} else {
/* distance is passed, recalculate with tcnto * icnto */
if (s->icntb) {
- s->distance = s->tcntb * s->icntb;
+ s->distance = (uint64_t)s->tcntb * s->icntb;
} else {
s->distance = s->tcntb;
}
--
1.9.2
- [Qemu-devel] [PULL 00/17] target-arm queue, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 17/17] hw/arm/omap_gpmc: Avoid buffer overrun filling prefetch FIFO, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 12/17] hw/net/cadence_gem: Remove dead code, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 09/17] hw/net/stellaris_enet: Convert to vmstate, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 15/17] hw/timer/exynos4210_mct: Avoid overflow in exynos4210_ltick_recalc_count,
Peter Maydell <=
- [Qemu-devel] [PULL 03/17] hw/net/stellaris_enet: Restructure tx_fifo code to avoid buffer overrun, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 14/17] hw/dma/omap_dma: Add (uint32_t) casts when shifting uint16_t by 16, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 16/17] hw/arm/stellaris: Correct handling of GPTM TAR register, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 10/17] target-arm/helper.c: Don't flush the TLB if SCTLR is rewritten unchanged, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 13/17] hw/arm/omap1: Avoid unintended sign extension writing omap_rtc YEARS_REG, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 11/17] hw/intc/allwinner-a10-pic: Add missing 'break', Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 06/17] hw/net/stellaris_enet: Correctly implement the TR and THR registers, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 05/17] hw/net/stellaris_enet: Rewrite tx fifo handling code, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 08/17] hw/net/stellaris_enet: Get rid of rx_fifo pointer, Peter Maydell, 2014/05/13
- [Qemu-devel] [PULL 04/17] hw/net/stellaris_enet: Correct handling of packet padding, Peter Maydell, 2014/05/13