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PCI: hv: Use the correct buffer size in new_pcichild_device()

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We don't really need such a big on-stack buffer.  vmbus_sendpacket() here
only uses sizeof(struct pci_child_message).

Signed-off-by: Dexuan Cui <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Jake Oshins <[email protected]>
This commit is contained in:
Dexuan Cui 2016-11-10 07:17:48 +00:00 • committed by Bjorn Helgaas
commit 8286e96d95
1 changed files with 3 additions and 3 deletions
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6
drivers/pci/host/pci-hyperv.c
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@ -1271,9 +1271,9 @@ static struct hv_pci_dev *new_pcichild_device(struct hv_pcibus_device *hbus,
struct hv_pci_dev *hpdev;
struct pci_child_message *res_req;
struct q_res_req_compl comp_pkt;
union {
struct pci_packet init_packet;
u8 buffer[0x100];
struct {
struct pci_packet init_packet;
u8 buffer[sizeof(struct pci_child_message)];
} pkt;
unsigned long flags;
int ret;