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kobj_read: plug a leak.

This commit is contained in:
ad 2008-10-06 10:46:58 +00:00
parent 4d0ec49dcd
commit 1b31761afa
1 changed files with 6 additions and 3 deletions
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9
sys/kern/subr_kobj.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_kobj.c,v 1.21 2008/05/20 19:20:38 ad Exp $ */
/* $NetBSD: subr_kobj.c,v 1.22 2008/10/06 10:46:58 ad Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -62,7 +62,7 @@
#include "opt_modular.h"
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_kobj.c,v 1.21 2008/05/20 19:20:38 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_kobj.c,v 1.22 2008/10/06 10:46:58 ad Exp $");
#define ELFSIZE ARCH_ELFSIZE
@ -1024,9 +1024,12 @@ kobj_read(kobj_t ko, void **basep, size_t size, off_t off)
UIO_SYSSPACE, IO_NODELOCKED, curlwp->l_cred, &resid,
curlwp);
if (error == 0 && resid != 0) {
kmem_free(base, size);
error = EINVAL;
}
if (error != 0) {
kmem_free(base, size);
base = NULL;
}
break;
case KT_MEMORY:
if (ko->ko_memsize != -1 && off + size > ko->ko_memsize) {