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| author | Dexuan Cui <decui@microsoft.com> | 2016-11-10 07:17:48 +0000 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-11-16 16:43:58 -0600 |
| commit | 8286e96d95f2dd01a72e3500322ad95153a469c2 (patch) | |
| tree | 98b3d10b2ea418147501530eaba6bd24f086aa88 /drivers/pci/host/pci-hyperv.c | |
| parent | 542ccf4551fa019a8ae9dfb7c8cd7e73a3d7e614 (diff) | |
| download | linux-8286e96d95f2dd01a72e3500322ad95153a469c2.tar.bz2 | |
PCI: hv: Use the correct buffer size in new_pcichild_device()
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 <decui@microsoft.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jake Oshins <jakeo@microsoft.com>
Diffstat (limited to 'drivers/pci/host/pci-hyperv.c')
| -rw-r--r-- | drivers/pci/host/pci-hyperv.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c index 06c98695c06c..9ea63b4b0e58 100644 --- a/drivers/pci/host/pci-hyperv.c +++ b/drivers/pci/host/pci-hyperv.c @@ -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; |