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-rw-r--r--net/bluetooth/hidp/core.c49
-rw-r--r--net/bluetooth/hidp/hidp.h4
2 files changed, 27 insertions, 26 deletions
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 6cf526d06e21..fc6ec1e72652 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -703,29 +703,9 @@ static void hidp_close(struct hid_device *hid)
703static int hidp_parse(struct hid_device *hid) 703static int hidp_parse(struct hid_device *hid)
704{ 704{
705 struct hidp_session *session = hid->driver_data; 705 struct hidp_session *session = hid->driver_data;
706 struct hidp_connadd_req *req = session->req;
707 unsigned char *buf;
708 int ret;
709
710 buf = kmalloc(req->rd_size, GFP_KERNEL);
711 if (!buf)
712 return -ENOMEM;
713
714 if (copy_from_user(buf, req->rd_data, req->rd_size)) {
715 kfree(buf);
716 return -EFAULT;
717 }
718
719 ret = hid_parse_report(session->hid, buf, req->rd_size);
720
721 kfree(buf);
722
723 if (ret)
724 return ret;
725
726 session->req = NULL;
727 706
728 return 0; 707 return hid_parse_report(session->hid, session->rd_data,
708 session->rd_size);
729} 709}
730 710
731static int hidp_start(struct hid_device *hid) 711static int hidp_start(struct hid_device *hid)
@@ -770,12 +750,24 @@ static int hidp_setup_hid(struct hidp_session *session,
770 bdaddr_t src, dst; 750 bdaddr_t src, dst;
771 int err; 751 int err;
772 752
753 session->rd_data = kzalloc(req->rd_size, GFP_KERNEL);
754 if (!session->rd_data)
755 return -ENOMEM;
756
757 if (copy_from_user(session->rd_data, req->rd_data, req->rd_size)) {
758 err = -EFAULT;
759 goto fault;
760 }
761 session->rd_size = req->rd_size;
762
773 hid = hid_allocate_device(); 763 hid = hid_allocate_device();
774 if (IS_ERR(hid)) 764 if (IS_ERR(hid)) {
775 return PTR_ERR(hid); 765 err = PTR_ERR(hid);
766 goto fault;
767 }
776 768
777 session->hid = hid; 769 session->hid = hid;
778 session->req = req; 770
779 hid->driver_data = session; 771 hid->driver_data = session;
780 772
781 baswap(&src, &bt_sk(session->ctrl_sock->sk)->src); 773 baswap(&src, &bt_sk(session->ctrl_sock->sk)->src);
@@ -806,6 +798,10 @@ failed:
806 hid_destroy_device(hid); 798 hid_destroy_device(hid);
807 session->hid = NULL; 799 session->hid = NULL;
808 800
801fault:
802 kfree(session->rd_data);
803 session->rd_data = NULL;
804
809 return err; 805 return err;
810} 806}
811 807
@@ -900,6 +896,9 @@ unlink:
900 session->hid = NULL; 896 session->hid = NULL;
901 } 897 }
902 898
899 kfree(session->rd_data);
900 session->rd_data = NULL;
901
903purge: 902purge:
904 skb_queue_purge(&session->ctrl_transmit); 903 skb_queue_purge(&session->ctrl_transmit);
905 skb_queue_purge(&session->intr_transmit); 904 skb_queue_purge(&session->intr_transmit);
diff --git a/net/bluetooth/hidp/hidp.h b/net/bluetooth/hidp/hidp.h
index faf3d74c3586..a4e215d50c10 100644
--- a/net/bluetooth/hidp/hidp.h
+++ b/net/bluetooth/hidp/hidp.h
@@ -154,7 +154,9 @@ struct hidp_session {
154 struct sk_buff_head ctrl_transmit; 154 struct sk_buff_head ctrl_transmit;
155 struct sk_buff_head intr_transmit; 155 struct sk_buff_head intr_transmit;
156 156
157 struct hidp_connadd_req *req; 157 /* Report descriptor */
158 __u8 *rd_data;
159 uint rd_size;
158}; 160};
159 161
160static inline void hidp_schedule(struct hidp_session *session) 162static inline void hidp_schedule(struct hidp_session *session)