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

This commit is contained in:
isaki 2017-07-29 06:33:45 +00:00
parent 85f3ef89d9
commit 01946fe853
1 changed files with 3 additions and 2 deletions
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5
sys/dev/audio.c
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@ -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 <nathanialsloss@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, struct audio_ringbuffer *r,
false, 0);
if (error) {
uvm_unmap(kernel_map, vstart, vstart + vsize);
uao_detach(r->uobj);
r->uobj = NULL; /* paranoia */
return error;
}