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 <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Acked-by: KY Srinivasan <[email protected]>
CC: Jake Oshins <[email protected]>
CC: Haiyang Zhang <[email protected]>
CC: Vitaly Kuznetsov <[email protected]>

diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c
index e9307afa003d7046750274bbe0afb78dbbd8b5df..763ff87458288180dfd3ab19baf4e52a84fcfef3 100644 (file)
--- a/drivers/pci/host/pci-hyperv.c
+++ b/drivers/pci/host/pci-hyperv.c
@@ -447,15 +447,16 @@ struct hv_pci_compl {
  * 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);
 }