PCI: hv: Handle hv_pci_generic_compl() error case
'completion_status' is used in some places, e.g.,
hv_pci_protocol_negotiation(), so we should make sure it's initialized in
error case too, though the error is unlikely here.
[bhelgaas: fix changelog typo and nearby whitespace]
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: KY Srinivasan <kys@microsoft.com>
CC: Jake Oshins <jakeo@microsoft.com>
CC: Haiyang Zhang <haiyangz@microsoft.com>
CC: Vitaly Kuznetsov <vkuznets@redhat.com>
diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c
index e9307af..763ff87 100644
--- a/drivers/pci/host/pci-hyperv.c
+++ b/drivers/pci/host/pci-hyperv.c
@@ -447,15 +447,16 @@
* for any message for which the completion packet contains a
* status and nothing else.
*/
-static
-void
-hv_pci_generic_compl(void *context, struct pci_response *resp,
- int resp_packet_size)
+static void hv_pci_generic_compl(void *context, struct pci_response *resp,
+ int resp_packet_size)
{
struct hv_pci_compl *comp_pkt = context;
if (resp_packet_size >= offsetofend(struct pci_response, status))
comp_pkt->completion_status = resp->status;
+ else
+ comp_pkt->completion_status = -1;
+
complete(&comp_pkt->host_event);
}