PCI: check pci_vpd_pci22_wait() return
pci_vpd_pci22_write() calls pci_vpd_pci22_wait() after writing
PCI_VPD_DATA and PCI_VPD_ADDR to wait for the VPD operation to complete.
The result pci_vpd_pci22_wait() was not checked for error.
This change checks for error.
Signed-off-by: Greg Thelen <gthelen@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 531bc69..0c1f20f 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -324,6 +324,8 @@
vpd->busy = true;
vpd->flag = 0;
ret = pci_vpd_pci22_wait(dev);
+ if (ret < 0)
+ break;
pos += sizeof(u32);
}