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[PATCH v3 02/17] pci: pass along the return value of dma_memory_rw
From: |
Klaus Jensen |
Subject: |
[PATCH v3 02/17] pci: pass along the return value of dma_memory_rw |
Date: |
Tue, 22 Sep 2020 10:45:18 +0200 |
From: Klaus Jensen <k.jensen@samsung.com>
Some devices might want to know the return value of dma_memory_rw, so
pass it along instead of ignoring it.
There are no existing users of the return value, so this patch should be
safe.
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Keith Busch <kbusch@kernel.org>
---
include/hw/pci/pci.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index c13ae1f8580b..0ff3feec1573 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -785,8 +785,7 @@ static inline AddressSpace *pci_get_address_space(PCIDevice
*dev)
static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr,
void *buf, dma_addr_t len, DMADirection dir)
{
- dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir);
- return 0;
+ return dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir);
}
static inline int pci_dma_read(PCIDevice *dev, dma_addr_t addr,
--
2.28.0
- [PATCH v3 00/17] hw/block/nvme: multiple namespaces support, Klaus Jensen, 2020/09/22
- [PATCH v3 05/17] hw/block/nvme: alignment style fixes, Klaus Jensen, 2020/09/22
- [PATCH v3 02/17] pci: pass along the return value of dma_memory_rw,
Klaus Jensen <=
- [PATCH v3 07/17] hw/block/nvme: fix endian conversion, Klaus Jensen, 2020/09/22
- [PATCH v3 08/17] hw/block/nvme: add symbolic command name to trace events, Klaus Jensen, 2020/09/22
- [PATCH v3 01/17] hw/block/nvme: fix typo in trace event, Klaus Jensen, 2020/09/22
- [PATCH v3 06/17] hw/block/nvme: add a lba to bytes helper, Klaus Jensen, 2020/09/22
- [PATCH v3 09/17] hw/block/nvme: refactor aio submission, Klaus Jensen, 2020/09/22
- [PATCH v3 03/17] hw/block/nvme: handle dma errors, Klaus Jensen, 2020/09/22
- [PATCH v3 10/17] hw/block/nvme: default request status to success, Klaus Jensen, 2020/09/22
- [PATCH v3 04/17] hw/block/nvme: commonize nvme_rw error handling, Klaus Jensen, 2020/09/22
- [PATCH v3 11/17] hw/block/nvme: harden cmb access, Klaus Jensen, 2020/09/22
- [PATCH v3 12/17] hw/block/nvme: add support for scatter gather lists, Klaus Jensen, 2020/09/22