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[PATCH 1/3] pnv/phb3: Convert 1u to 1ull
From: |
Greg Kurz |
Subject: |
[PATCH 1/3] pnv/phb3: Convert 1u to 1ull |
Date: |
Wed, 12 Feb 2020 19:54:00 +0100 |
User-agent: |
StGit/unknown-version |
As reported by Coverity defect CID 1419397, the 'j' variable goes up to
63 and shouldn't be used to left shift a 32-bit integer.
The result of the operation goes to a 64-bit integer : use a 64-bit
constant.
Reported-by: Coverity CID 1419397 Bad bit shift operation
Fixes: 9ae1329ee2fe "ppc/pnv: Add models for POWER8 PHB3 PCIe Host bridge"
Signed-off-by: Greg Kurz <address@hidden>
---
hw/pci-host/pnv_phb3_msi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/pci-host/pnv_phb3_msi.c b/hw/pci-host/pnv_phb3_msi.c
index ecfc1b2c4e3d..d645468f4a6f 100644
--- a/hw/pci-host/pnv_phb3_msi.c
+++ b/hw/pci-host/pnv_phb3_msi.c
@@ -220,7 +220,7 @@ static void phb3_msi_resend(ICSState *ics)
if ((msi->rba[i] & (1ull << j)) == 0) {
continue;
}
- msi->rba[i] &= ~(1u << j);
+ msi->rba[i] &= ~(1ull << j);
phb3_msi_try_send(msi, i * 64 + j, true);
}
}