staging: ti dspbridge: use stream id instead of kernel address

Send stream ids to the user instead of handles, then when
the id is coming from user dspbridge can retrive the handle
using id and avoid using invalid handles.

Signed-off-by: Ernesto Ramos <ernesto@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/staging/tidspbridge/include/dspbridge/drv.h b/drivers/staging/tidspbridge/include/dspbridge/drv.h
index 0b36a11820b5..f3650153ef35 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/drv.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/drv.h
@@ -131,7 +131,7 @@ struct strm_res_object {
 	void *hstream;
 	u32 num_bufs;
 	u32 dir;
-	struct strm_res_object *next;
+	int id;
 };
 
 /* Overall Bridge process resource usage state */
@@ -173,8 +173,7 @@ struct process_context {
 	struct dspheap_res_object *pdspheap_list;
 
 	/* Stream resources */
-	struct strm_res_object *pstrm_list;
-	struct mutex strm_mutex;
+	struct idr *stream_id;
 };
 
 /*