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[Qemu-devel] [PATCH v2 06/10] msi: Guard msi_reset with msi_present
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [PATCH v2 06/10] msi: Guard msi_reset with msi_present |
Date: |
Thu, 10 May 2012 17:08:22 -0300 |
Signed-off-by: Jan Kiszka <address@hidden>
---
hw/msi.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/hw/msi.c b/hw/msi.c
index 5d6ceb6..b2903fc 100644
--- a/hw/msi.c
+++ b/hw/msi.c
@@ -191,6 +191,10 @@ void msi_reset(PCIDevice *dev)
uint16_t flags;
bool msi64bit;
+ if (!msi_present(dev)) {
+ return;
+ }
+
flags = pci_get_word(dev->config + msi_flags_off(dev));
flags &= ~(PCI_MSI_FLAGS_QSIZE | PCI_MSI_FLAGS_ENABLE);
msi64bit = flags & PCI_MSI_FLAGS_64BIT;
--
1.7.3.4
- [Qemu-devel] [PATCH v2 00/10] msi: Refactorings and reset fixes, Jan Kiszka, 2012/05/10
- [Qemu-devel] [PATCH v2 02/10] intel-hda: Fix reset of MSI function, Jan Kiszka, 2012/05/10
- [Qemu-devel] [PATCH v2 01/10] ahci: Fix reset of MSI function, Jan Kiszka, 2012/05/10
- [Qemu-devel] [PATCH v2 04/10] ahci: Clean up reset functions, Jan Kiszka, 2012/05/10
- [Qemu-devel] [PATCH v2 05/10] xhci: Clean up reset function, Jan Kiszka, 2012/05/10
- [Qemu-devel] [PATCH v2 03/10] xhci: Fix reset of MSI function, Jan Kiszka, 2012/05/10
- [Qemu-devel] [PATCH v2 06/10] msi: Guard msi_reset with msi_present,
Jan Kiszka <=
- [Qemu-devel] [PATCH v2 08/10] msi: Guard msi/msix_write_config with msi_present, Jan Kiszka, 2012/05/10
- [Qemu-devel] [PATCH v2 07/10] msi: Invoke msi/msix_reset from PCI core, Jan Kiszka, 2012/05/10
- [Qemu-devel] [PATCH v2 09/10] msi: Invoke msi/msix_write_config from PCI core, Jan Kiszka, 2012/05/10
- [Qemu-devel] [PATCH v2 10/10] msi: Use msi/msix_present more consistently, Jan Kiszka, 2012/05/10