tspp: Protect against buffer overflow

Change filter->priority to unsigned int. Since it was defined as integer,
it may have had negative value and cause accessing an array outside
of its region

CRs-Fixed: 561802, 561825
Change-Id: Ie72aa09b07e79b0b67081b74e3b2057de30f03d0
Signed-off-by: Hamad Kadmany <hkadmany@codeaurora.org>
diff --git a/include/linux/tspp.h b/include/linux/tspp.h
index c790c28..ddddbfb 100644
--- a/include/linux/tspp.h
+++ b/include/linux/tspp.h
@@ -34,7 +34,7 @@
 	int pid;
 	int mask;
 	enum tspp_mode mode;
-	int priority;	/* 0 - 15 */
+	unsigned int priority;	/* 0 - 15 */
 	int decrypt;
 	enum tspp_source source;
 };