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This commit is contained in:
nakayama 2012-05-12 01:40:37 +00:00
parent 221ade12a9
commit 361b8e4249
1 changed files with 42 additions and 42 deletions
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84
sys/netsmb/subr_mchain.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_mchain.c,v 1.21 2012/05/11 14:51:39 nakayama Exp $ */
/* $NetBSD: subr_mchain.c,v 1.22 2012/05/12 01:40:37 nakayama Exp $ */
/*
* Copyright (c) 2000, 2001 Boris Popov
@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_mchain.c,v 1.21 2012/05/11 14:51:39 nakayama Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_mchain.c,v 1.22 2012/05/12 01:40:37 nakayama Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -53,51 +53,51 @@ __KERNEL_RCSID(0, "$NetBSD: subr_mchain.c,v 1.21 2012/05/11 14:51:39 nakayama Ex
static struct mbuf *
m_getm(struct mbuf *m, size_t len, int how, int type)
{
struct mbuf *top, *tail, *mp, *mtail = NULL;
struct mbuf *top, *tail, *mp, *mtail = NULL;
mp = m_get(how, type);
if (mp == NULL)
return (NULL);
else if (len > MINCLSIZE) {
m_clget(mp, how);
if ((mp->m_flags & M_EXT) == 0) {
m_free(mp);
return (NULL);
}
}
mp->m_len = 0;
len -= min(len, M_TRAILINGSPACE(mp));
mp = m_get(how, type);
if (mp == NULL)
return (NULL);
else if (len > MINCLSIZE) {
m_clget(mp, how);
if ((mp->m_flags & M_EXT) == 0) {
m_free(mp);
return (NULL);
}
}
mp->m_len = 0;
len -= min(len, M_TRAILINGSPACE(mp));
if (m != NULL)
for (mtail = m; mtail->m_next != NULL; mtail = mtail->m_next);
else
m = mp;
if (m != NULL)
for (mtail = m; mtail->m_next != NULL; mtail = mtail->m_next);
else
m = mp;
top = tail = mp;
while (len > 0) {
mp = m_get(how, type);
if (mp == NULL)
goto failed;
top = tail = mp;
while (len > 0) {
mp = m_get(how, type);
if (mp == NULL)
goto failed;
tail->m_next = mp;
tail = mp;
if (len > MINCLSIZE) {
m_clget(mp, how);
if ((mp->m_flags & M_EXT) == 0)
goto failed;
}
tail->m_next = mp;
tail = mp;
if (len > MINCLSIZE) {
m_clget(mp, how);
if ((mp->m_flags & M_EXT) == 0)
goto failed;
}
mp->m_len = 0;
len -= min(len, M_TRAILINGSPACE(mp));
}
mp->m_len = 0;
len -= min(len, M_TRAILINGSPACE(mp));
}
if (mtail != NULL)
mtail->m_next = top;
return (m);
if (mtail != NULL)
mtail->m_next = top;
return (m);
failed:
m_freem(top);
return (NULL);
m_freem(top);
return (NULL);
}
@ -344,7 +344,7 @@ mb_put_uio(struct mbchain *mbp, struct uio *uiop, size_t size)
uiop->uio_offset += left;
uiop->uio_resid -= left;
uiop->uio_iov->iov_base =
(char *)uiop->uio_iov->iov_base + left;
(char *)uiop->uio_iov->iov_base + left;
uiop->uio_iov->iov_len -= left;
size -= left;
}
@ -597,8 +597,8 @@ md_get_uio(struct mdchain *mdp, struct uio *uiop, size_t size)
return error;
uiop->uio_offset += left;
uiop->uio_resid -= left;
uiop->uio_iov->iov_base =
(char *)uiop->uio_iov->iov_base + left;
uiop->uio_iov->iov_base =
(char *)uiop->uio_iov->iov_base + left;
uiop->uio_iov->iov_len -= left;
size -= left;
}