ext4: update PF_MEMALLOC handling in ext4_write_inode()

[pandora-kernel.git] / drivers / hid / hid-hyperv.c

diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index 866e6a8..f52dbcb 100644 (file)
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -157,6 +157,7 @@ struct mousevsc_dev {
        u32                     report_desc_size;
        struct hv_input_dev_info hid_dev_info;
        struct hid_device       *hid_device;
+       u8                      input_buf[HID_MAX_BUFFER_SIZE];
 };
 
 
@@ -256,6 +257,7 @@ static void mousevsc_on_receive(struct hv_device *device,
        struct synthhid_msg *hid_msg;
        struct mousevsc_dev *input_dev = hv_get_drvdata(device);
        struct synthhid_input_report *input_report;
+       size_t len;
 
        pipe_msg = (struct pipe_prt_msg *)((unsigned long)packet +
                                                (packet->offset8 << 3));
@@ -300,9 +302,12 @@ static void mousevsc_on_receive(struct hv_device *device,
                        (struct synthhid_input_report *)pipe_msg->data;
                if (!input_dev->init_complete)
                        break;
-               hid_input_report(input_dev->hid_device,
-                               HID_INPUT_REPORT, input_report->buffer,
-                               input_report->header.size, 1);
+
+               len = min(input_report->header.size,
+                         (u32)sizeof(input_dev->input_buf));
+               memcpy(input_dev->input_buf, input_report->buffer, len);
+               hid_input_report(input_dev->hid_device, HID_INPUT_REPORT,
+                                input_dev->input_buf, len, 1);
                break;
        default:
                pr_err("unsupported hid msg type - type %d len %d",
@@ -457,7 +462,7 @@ static void mousevsc_hid_stop(struct hid_device *hid)
 
 static int mousevsc_hid_raw_request(struct hid_device *hid,
                                    unsigned char report_num,
-                                   __u8 buf, size_t len,
+                                   __u8 *buf, size_t len,
                                    unsigned char rtype,
                                    int reqtype)
 {