From: Cao jin Date: Mon, 20 Jun 2016 06:13:44 +0000 (+0800) Subject: vmw_pvscsi: remove unnecessary internal msi state flag X-Git-Tag: TizenStudio_2.0_p4.0~6^2~12^2~6^2~141^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=269fe4c3ab0cf29329317eb868f8ec90ac761b41;p=sdk%2Femulator%2Fqemu.git vmw_pvscsi: remove unnecessary internal msi state flag Internal flag msi_used is uncesessary, msi_uninit() could be called directly, msi_enabled() is enough to check device msi state. But for migration compatibility, keep the field in structure. cc: Paolo Bonzini cc: Dmitry Fleytman cc: Markus Armbruster cc: Marcel Apfelbaum cc: Michael S. Tsirkin Signed-off-by: Cao jin Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Markus Armbruster --- diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c index ecd6077..da71c8c 100644 --- a/hw/scsi/vmw_pvscsi.c +++ b/hw/scsi/vmw_pvscsi.c @@ -121,8 +121,7 @@ typedef struct { uint8_t msg_ring_info_valid; /* Whether message ring initialized */ uint8_t use_msg; /* Whether to use message ring */ - uint8_t msi_used; /* Whether MSI support was installed successfully */ - + uint8_t msi_used; /* For migration compatibility */ PVSCSIRingInfo rings; /* Data transfer rings manager */ uint32_t resetting; /* Reset in progress */ @@ -362,7 +361,7 @@ pvscsi_update_irq_status(PVSCSIState *s) trace_pvscsi_update_irq_level(should_raise, s->reg_interrupt_enabled, s->reg_interrupt_status); - if (s->msi_used && msi_enabled(d)) { + if (msi_enabled(d)) { if (should_raise) { trace_pvscsi_update_irq_msi(); msi_notify(d, PVSCSI_VECTOR_COMPLETION); @@ -1077,9 +1076,7 @@ pvscsi_cleanup_msi(PVSCSIState *s) { PCIDevice *d = PCI_DEVICE(s); - if (s->msi_used) { - msi_uninit(d); - } + msi_uninit(d); } static const MemoryRegionOps pvscsi_ops = {