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PCI: hv: Handle hv_pci_generic_compl() error case

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'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>
This commit is contained in:
Dexuan Cui 2016-08-23 04:49:22 +00:00 committed by Bjorn Helgaas
parent 665e2245eb
commit a5b45b7b95
1 changed files with 5 additions and 4 deletions
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9
drivers/pci/host/pci-hyperv.c
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@ -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);
}