Commit a5b45b7b authored Aug 23, 2016 by Dexuan Cui Committed by Bjorn Helgaas Sep 06, 2016

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>

parent 665e2245

drivers/pci/host/pci-hyperv.c

+5 −4

Original line number	Diff line number	Diff line
		@@ -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,
		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);
		}