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Make sure that pa_spare is zero-filled and does not contain any 

garbage which might disrupt future use.
This commit is contained in:
pooka 2010-07-06 12:05:18 +00:00
parent 0bf2cc54b3
commit 013ecf4f81
1 changed files with 11 additions and 2 deletions
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13
sys/fs/puffs/puffs_vfsops.c
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@ -1,4 +1,4 @@
/* $NetBSD: puffs_vfsops.c,v 1.90 2010/06/24 13:03:10 hannken Exp $ */
/* $NetBSD: puffs_vfsops.c,v 1.91 2010/07/06 12:05:18 pooka Exp $ */
/*
* Copyright (c) 2005, 2006 Antti Kantee. All Rights Reserved.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: puffs_vfsops.c,v 1.90 2010/06/24 13:03:10 hannken Exp $");
__KERNEL_RCSID(0, "$NetBSD: puffs_vfsops.c,v 1.91 2010/07/06 12:05:18 pooka Exp $");
#include <sys/param.h>
#include <sys/mount.h>
@ -129,6 +129,15 @@ puffs_vfsop_mount(struct mount *mp, const char *path, void *data,
goto out;
}
for (i = 0; i < __arraycount(args->pa_spare); i++) {
if (args->pa_spare[i] != 0) {
printf("puffs_mount: pa_spare[%d] = 0x%x\n",
i, args->pa_spare[i]);
error = EINVAL;
goto out;
}
}
/* use dummy value for passthrough */
if (args->pa_fhflags & PUFFS_FHFLAG_PASSTHROUGH)
args->pa_fhsize = sizeof(struct fid);