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pci: pass along the return value of dma_memory_rw 

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>
This commit is contained in:
Klaus Jensen 2019-10-01 13:40:24 +02:00
parent 5f62d00f4d
commit 195cc35469
1 changed files with 1 additions and 2 deletions
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3
include/hw/pci/pci.h
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@ -783,8 +783,7 @@ 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,