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compat_30_sys_getfh: check the size of filehandle. remove an unnecessary cast.

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This commit is contained in:
yamt 2006-08-04 16:58:27 +00:00
parent 273fdcedb9
commit a4aecea36e
1 changed files with 6 additions and 4 deletions
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10
sys/compat/common/vfs_syscalls_30.c
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@ -1,4 +1,4 @@
/* $NetBSD: vfs_syscalls_30.c,v 1.14 2006/08/04 16:29:51 yamt Exp $ */
/* $NetBSD: vfs_syscalls_30.c,v 1.15 2006/08/04 16:58:27 yamt Exp $ */
/*-
* Copyright (c) 2005 The NetBSD Foundation, Inc.
@ -36,7 +36,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vfs_syscalls_30.c,v 1.14 2006/08/04 16:29:51 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: vfs_syscalls_30.c,v 1.15 2006/08/04 16:58:27 yamt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -383,10 +383,12 @@ compat_30_sys_getfh(struct lwp *l, void *v, register_t *retval)
sz = sizeof(struct compat_30_fhandle);
error = vfs_composefh(vp, (void *)&fh, &sz);
vput(vp);
if (sz != FHANDLE_SIZE_COMPAT) {
error = EINVAL;
}
if (error)
return (error);
error = copyout(&fh, (caddr_t)SCARG(uap, fhp),
sizeof(struct compat_30_fhandle));
error = copyout(&fh, SCARG(uap, fhp), sizeof(struct compat_30_fhandle));
return (error);
}