]> xenbits.xensource.com Git - qemu-xen.git/commitdiff
pnv/phb3: Convert 1u to 1ull
authorGreg Kurz <groug@kaod.org>
Wed, 12 Feb 2020 18:54:00 +0000 (19:54 +0100)
committerDavid Gibson <david@gibson.dropbear.id.au>
Thu, 20 Feb 2020 22:15:04 +0000 (09:15 +1100)
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 <groug@kaod.org>
Message-Id: <158153364010.3229002.8004283672455615950.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
hw/pci-host/pnv_phb3_msi.c

index ecfc1b2c4e3d41769d6fedb436f25b2efed36bf6..d645468f4a6fc2add7c33bee8ba2f2eaab587802 100644 (file)
@@ -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);
         }
     }