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[2/5] PCI: hv: use pci_function_description[0] in struct definitions

Message ID MWHPR03MB26690A6775AA12D58E6770E1BFEB0@MWHPR03MB2669.namprd03.prod.outlook.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Dexuan Cui Aug. 23, 2016, 4:46 a.m. UTC 
The 2 structs can use a zero-length array here, because dynamic memory of
the correct size is allocated in hv_pci_devices_present() and we don't
need this extra element.

No functional change.

Cc: Jake Oshins <jakeo@microsoft.com>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
---
 drivers/pci/host/pci-hyperv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c
index 78758e9..cdbadea5 100644
--- a/drivers/pci/host/pci-hyperv.c
+++ b/drivers/pci/host/pci-hyperv.c
@@ -259,7 +259,7 @@  struct pci_bus_d0_entry {
 struct pci_bus_relations {
 	struct pci_incoming_message incoming;
 	u32 device_count;
-	struct pci_function_description func[1];
+	struct pci_function_description func[0];
 } __packed;
 
 struct pci_q_res_req_response {
@@ -394,7 +394,7 @@  struct hv_dr_work {
 struct hv_dr_state {
 	struct list_head list_entry;
 	u32 device_count;
-	struct pci_function_description func[1];
+	struct pci_function_description func[0];
 };
 
 enum hv_pcichild_state {