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At least fetch mount data pointer before using it. 

Coverity CID 274767
This commit is contained in:
mlelstv 2013-12-25 11:15:49 +00:00
parent 8e1e9026ea
commit d4e64f4071
1 changed files with 4 additions and 3 deletions
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7
sys/fs/sysvbfs/sysvbfs_vfsops.c
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@ -1,4 +1,4 @@
/* $NetBSD: sysvbfs_vfsops.c,v 1.41 2012/06/14 01:08:22 agc Exp $ */
/* $NetBSD: sysvbfs_vfsops.c,v 1.42 2013/12/25 11:15:49 mlelstv Exp $ */
/*-
* Copyright (c) 2004 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sysvbfs_vfsops.c,v 1.41 2012/06/14 01:08:22 agc Exp $");
__KERNEL_RCSID(0, "$NetBSD: sysvbfs_vfsops.c,v 1.42 2013/12/25 11:15:49 mlelstv Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -81,7 +81,7 @@ sysvbfs_mount(struct mount *mp, const char *path, void *data, size_t *data_len)
return EINVAL;
if (mp->mnt_flag & MNT_GETARGS) {
if ((bmp = (void *)mp->mnt_data) == NULL)
if ((bmp = (struct sysvbfs_mount *)mp->mnt_data) == NULL)
return EIO;
args->fspec = NULL;
*data_len = sizeof *args;
@ -116,6 +116,7 @@ sysvbfs_mount(struct mount *mp, const char *path, void *data, size_t *data_len)
* Be sure we're still naming the same device
* used for our initial mount
*/
bmp = (struct sysvbfs_mount *)mp->mnt_data;
if (devvp != bmp->devvp)
error = EINVAL;
}