ossaudio(3): Plug a fd leak in the new mixer API

This commit is contained in:
nia 2020-10-20 06:53:37 +00:00
parent bbfc3fa4fd
commit d1d954926b
1 changed files with 4 additions and 7 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: ossaudio.c,v 1.52 2020/10/19 10:28:47 nia Exp $ */ /* $NetBSD: ossaudio.c,v 1.53 2020/10/20 06:53:37 nia Exp $ */
/*- /*-
* Copyright (c) 1997, 2020 The NetBSD Foundation, Inc. * Copyright (c) 1997, 2020 The NetBSD Foundation, Inc.
@ -27,7 +27,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__RCSID("$NetBSD: ossaudio.c,v 1.52 2020/10/19 10:28:47 nia Exp $"); __RCSID("$NetBSD: ossaudio.c,v 1.53 2020/10/20 06:53:37 nia Exp $");
/* /*
* This is an Open Sound System compatibility layer, which provides * This is an Open Sound System compatibility layer, which provides
@ -1328,9 +1328,9 @@ mixer_oss4_ioctl(int fd, unsigned long com, void *argp)
return newfd; return newfd;
mdi.index = ei->ctrl - 1; mdi.index = ei->ctrl - 1;
retval = ioctl(newfd, AUDIO_MIXER_DEVINFO, &mdi); retval = ioctl(newfd, AUDIO_MIXER_DEVINFO, &mdi);
if (retval < 0) {
tmperrno = errno; tmperrno = errno;
close(newfd); close(newfd);
if (retval < 0) {
errno = tmperrno; errno = tmperrno;
return retval; return retval;
} }
@ -1343,7 +1343,6 @@ mixer_oss4_ioctl(int fd, unsigned long com, void *argp)
ei->strindex[i] = noffs; ei->strindex[i] = noffs;
len = strlen(mdi.un.e.member[i].label.name) + 1; len = strlen(mdi.un.e.member[i].label.name) + 1;
if ((noffs + len) >= sizeof(ei->strings)) { if ((noffs + len) >= sizeof(ei->strings)) {
close(newfd);
errno = ENOMEM; errno = ENOMEM;
return -1; return -1;
} }
@ -1359,7 +1358,6 @@ mixer_oss4_ioctl(int fd, unsigned long com, void *argp)
ei->strindex[i] = noffs; ei->strindex[i] = noffs;
len = strlen(mdi.un.s.member[i].label.name) + 1; len = strlen(mdi.un.s.member[i].label.name) + 1;
if ((noffs + len) >= sizeof(ei->strings)) { if ((noffs + len) >= sizeof(ei->strings)) {
close(newfd);
errno = ENOMEM; errno = ENOMEM;
return -1; return -1;
} }
@ -1369,7 +1367,6 @@ mixer_oss4_ioctl(int fd, unsigned long com, void *argp)
} }
break; break;
default: default:
close(newfd);
errno = EINVAL; errno = EINVAL;
return -1; return -1;
} }