HID: hyperv: convert alloc+memcpy to memdup

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index aa3fec0d9dc6..713217380b44 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -199,13 +199,11 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device,
         if (desc->bLength == 0)
                 goto cleanup;
 
-        input_device->hid_desc = kzalloc(desc->bLength, GFP_ATOMIC);
+        input_device->hid_desc = kmemdup(desc, desc->bLength, GFP_ATOMIC);
 
         if (!input_device->hid_desc)
                 goto cleanup;
 
-        memcpy(input_device->hid_desc, desc, desc->bLength);
-
         input_device->report_desc_size = desc->desc[0].wDescriptorLength;
         if (input_device->report_desc_size == 0) {
                 input_device->dev_info_status = -EINVAL;