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From: David Gibson <david@gibson.dropbear.id.au>
To: peter.maydell@linaro.org
Cc: groug@kaod.org, surajjs@au1.ibm.com, lvivier@redhat.com,
	agraf@suse.de, qemu-ppc@nognu.org, qemu-devel@nongnu.org,
	BALATON Zoltan <balaton@eik.bme.hu>,
	David Gibson <david@gibson.dropbear.id.au>
Subject: [Qemu-devel] [PULL 11/13] sii3112: Add explicit type casts to avoid unintended sign extension
Date: Fri, 19 Jan 2018 20:40:13 +1100	[thread overview]
Message-ID: <20180119094015.28266-12-david@gibson.dropbear.id.au> (raw)
In-Reply-To: <20180119094015.28266-1-david@gibson.dropbear.id.au>

From: BALATON Zoltan <balaton@eik.bme.hu>

Noticed by Coverity

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 hw/ide/sii3112.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/hw/ide/sii3112.c b/hw/ide/sii3112.c
index e2f5562bb7..17aa930e39 100644
--- a/hw/ide/sii3112.c
+++ b/hw/ide/sii3112.c
@@ -79,13 +79,13 @@ static uint64_t sii3112_reg_read(void *opaque, hwaddr addr,
         val |= (d->regs[0].confstat & (1UL << 11) ? (1 << 4) : 0); /*SATAINT0*/
         val |= (d->regs[1].confstat & (1UL << 11) ? (1 << 6) : 0); /*SATAINT1*/
         val |= (d->i.bmdma[1].status & BM_STATUS_INT ? (1 << 14) : 0);
-        val |= d->i.bmdma[0].status << 16;
-        val |= d->i.bmdma[1].status << 24;
+        val |= (uint32_t)d->i.bmdma[0].status << 16;
+        val |= (uint32_t)d->i.bmdma[1].status << 24;
         break;
     case 0x18:
         val = d->i.bmdma[1].cmd;
         val |= (d->regs[1].confstat & (1UL << 11) ? (1 << 4) : 0);
-        val |= d->i.bmdma[1].status << 16;
+        val |= (uint32_t)d->i.bmdma[1].status << 16;
         break;
     case 0x80 ... 0x87:
         if (size == 1) {
@@ -128,7 +128,7 @@ static uint64_t sii3112_reg_read(void *opaque, hwaddr addr,
         val = (d->i.bus[0].ifs[0].blk) ? 0x113 : 0;
         break;
     case 0x148:
-        val = d->regs[0].sien << 16;
+        val = (uint32_t)d->regs[0].sien << 16;
         break;
     case 0x180:
         val = d->regs[1].scontrol;
@@ -137,7 +137,7 @@ static uint64_t sii3112_reg_read(void *opaque, hwaddr addr,
         val = (d->i.bus[1].ifs[0].blk) ? 0x113 : 0;
         break;
     case 0x1c8:
-        val = d->regs[1].sien << 16;
+        val = (uint32_t)d->regs[1].sien << 16;
         break;
     default:
         val = 0;
-- 
2.14.3

  parent reply	other threads:[~2018-01-19  9:40 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-19  9:40 [Qemu-devel] [PULL 00/13] ppc-for-2.12 queue 20180119 David Gibson
2018-01-19  9:40 ` [Qemu-devel] [PULL 01/13] default-configs/ppc64-softmmu: Include 32-bit configs instead of copying them David Gibson
2018-01-19  9:40 ` [Qemu-devel] [PULL 02/13] default-configs/ppc-softmmu: Restructure the switches according to the machines David Gibson
2018-01-19  9:40 ` [Qemu-devel] [PULL 03/13] hw/ppc/Makefile: Add a way to disable the PPC4xx boards David Gibson
2018-01-19  9:40 ` [Qemu-devel] [PULL 04/13] ppc: Deprecate qemu-system-ppcemb David Gibson
2018-01-19  9:40 ` [Qemu-devel] [PULL 05/13] target/ppc: fix doorbell and hypervisor doorbell definitions David Gibson
2018-01-19  9:40 ` [Qemu-devel] [PULL 06/13] target/ppc: msgsnd and msgclr instructions need hypervisor privilege David Gibson
2018-01-19  9:40 ` [Qemu-devel] [PULL 07/13] spapr: drop duplicate variable in spapr_core_plug() David Gibson
2018-01-19  9:40 ` [Qemu-devel] [PULL 08/13] spapr: fix device tree properties when using compatibility mode David Gibson
2018-01-19  9:40 ` [Qemu-devel] [PULL 09/13] target-ppc: optimize cmp translation David Gibson
2018-01-19  9:40 ` [Qemu-devel] [PULL 10/13] sm501: Add missing break to case David Gibson
2018-01-19  9:40 ` David Gibson [this message]
2018-01-19  9:40 ` [Qemu-devel] [PULL 12/13] target/ppc: add support for hypervisor doorbells on book3s CPUs David Gibson
2018-01-19  9:40 ` [Qemu-devel] [PULL 13/13] target/ppc/spapr_caps: Add macro to generate spapr_caps migration vmstate David Gibson
2018-01-19 14:11 ` [Qemu-devel] [PULL 00/13] ppc-for-2.12 queue 20180119 Peter Maydell
2018-01-19 14:58   ` Thomas Huth

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