diff options
| author | Frank Blaschka <blaschka@linux.vnet.ibm.com> | 2015-01-21 16:50:29 +0100 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2015-02-03 13:42:40 +0100 |
| commit | c0eb33ab5428edf85a29a4f91f64d6802b6cefaa (patch) | |
| tree | e8b73e4c9c9ec1402a6cb1ddb1b8a2ef5cc16fd7 /hw | |
| parent | b7022d9ac61311f92aef0994e2ab801b76d55f14 (diff) | |
s390x/pci: avoid sign extension in stpcifc
This patch avoids sign extension and fixes a data conversion
bug in stpcifc. Both issues where found by Coverity.
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/s390x/s390-pci-inst.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 5ea13e5d79..c2691841fd 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -784,10 +784,10 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba) stq_p(&fib.aisb, pbdev->routes.adapter.summary_addr); stq_p(&fib.fmb_addr, pbdev->fmb_addr); - data = (pbdev->isc << 28) | (pbdev->noi << 16) | - (pbdev->routes.adapter.ind_offset << 8) | (pbdev->sum << 7) | - pbdev->routes.adapter.summary_offset; - stw_p(&fib.data, data); + data = ((uint32_t)pbdev->isc << 28) | ((uint32_t)pbdev->noi << 16) | + ((uint32_t)pbdev->routes.adapter.ind_offset << 8) | + ((uint32_t)pbdev->sum << 7) | pbdev->routes.adapter.summary_offset; + stl_p(&fib.data, data); if (pbdev->fh >> ENABLE_BIT_OFFSET) { fib.fc |= 0x80; |