CVS commit: src/sys/dev

[Tetsuya Isaki]

Module Name:    src
Committed By:   isaki
Date:           Sat Jul 29 06:33:45 UTC 2017

Modified Files:
        src/sys/dev: audio.c

Log Message:
Fix a resource leak on error handling in audio_alloc_ring().


To generate a diff of this commit:
cvs rdiff -u -r1.379 -r1.380 src/sys/dev/audio.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


Modified files:

Index: src/sys/dev/audio.c
diff -u src/sys/dev/audio.c:1.379 src/sys/dev/audio.c:1.380
--- src/sys/dev/audio.c:1.379	Sat Jul 29 06:30:56 2017
+++ src/sys/dev/audio.c	Sat Jul 29 06:33:45 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: audio.c,v 1.379 2017/07/29 06:30:56 isaki Exp $	*/
+/*	$NetBSD: audio.c,v 1.380 2017/07/29 06:33:45 isaki Exp $	*/
 
 /*-
  * Copyright (c) 2016 Nathanial Sloss <nathanialsl...@yahoo.com.au>
@@ -148,7 +148,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.379 2017/07/29 06:30:56 isaki Exp $");
+__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.380 2017/07/29 06:33:45 isaki Exp $");
 
 #ifdef _KERNEL_OPT
 #include "audio.h"
@@ -1228,6 +1228,7 @@ audio_alloc_ring(struct audio_softc *sc,
 		    false, 0);
 		if (error) {
 			uvm_unmap(kernel_map, vstart, vstart + vsize);
+			uao_detach(r->uobj);
 			r->uobj = NULL;		/* paranoia */
 			return error;
 		}