[01/17] pci: pass along the return value of dma_memory_rw

Commit Message

Klaus Jensen Sept. 4, 2020, 2:19 p.m. UTC

From: Klaus Jensen <[e-mail]>

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 <[e-mail]>
Reviewed-by: Philippe Mathieu-Daudé <[e-mail]>
Reviewed-by: Michael S. Tsirkin <[e-mail]>
Acked-by: Keith Busch <[e-mail]>
---
 include/hw/pci/pci.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Patch

diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 4ca7258b5b71..896cef9ad476 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -788,8 +788,7 @@  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,