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]> CC: Jake Oshins <[email protected]> Cc: KY Srinivasan <[email protected]> CC: Haiyang Zhang <[email protected]> CC: Vitaly Kuznetsov <[email protected]> --- drivers/pci/host/pci-hyperv.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c index 763ff87..93ed64a 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; -- 2.7.4 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
