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do_sys_sendmsg: Plug a possible leak. 

From CID: 4535
This commit is contained in:
rmind 2007-09-06 01:21:00 +00:00
parent 27ad3d8619
commit 93f0cb5cdf
1 changed files with 5 additions and 6 deletions
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11
sys/kern/uipc_syscalls.c
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@ -1,4 +1,4 @@
/* $NetBSD: uipc_syscalls.c,v 1.118 2007/09/01 17:04:58 dsl Exp $ */
/* $NetBSD: uipc_syscalls.c,v 1.119 2007/09/06 01:21:00 rmind Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1990, 1993
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls.c,v 1.118 2007/09/01 17:04:58 dsl Exp $");
__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls.c,v 1.119 2007/09/06 01:21:00 rmind Exp $");
#include "opt_pipe.h"
@ -459,7 +459,7 @@ do_sys_sendmsg(struct lwp *l, int s, struct msghdr *mp, int flags,
struct socket *so;
struct iovec *tiov;
struct iovec aiov[UIO_SMALLIOV], *iov = aiov;
struct iovec *ktriov;
struct iovec *ktriov = NULL;
ktrkuser("msghdr", mp, sizeof *mp);
@ -540,7 +540,6 @@ do_sys_sendmsg(struct lwp *l, int s, struct msghdr *mp, int flags,
}
}
ktriov = NULL;
if (ktrpoint(KTR_GENIO)) {
iovlen = auio.uio_iovcnt * sizeof(struct iovec);
ktriov = malloc(iovlen, M_TEMP, M_WAITOK);
@ -577,13 +576,13 @@ do_sys_sendmsg(struct lwp *l, int s, struct msghdr *mp, int flags,
if (error == 0)
*retsize = len - auio.uio_resid;
bad:
if (ktriov != NULL) {
ktrgeniov(s, UIO_WRITE, ktriov, *retsize, error);
free(ktriov, M_TEMP);
}
bad:
if (iov != aiov)
if (iov != aiov)
free(iov, M_IOV);
if (to)
m_freem(to);