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[XFS] pv 956241, author: nathans, rv: vapo - make ino validation checks

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consistent in bulkstat

SGI-PV: 956241
SGI-Modid: xfs-linux-melb:xfs-kern:26984a

Signed-off-by: Vlad Apostolov <vapo@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Vlad Apostolov 2006-09-28 11:06:15 +10:00 committed by Tim Shimmin
parent 6216ff1883
commit 6f1f216840
2 changed files with 19 additions and 10 deletions
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24
fs/xfs/xfs_itable.c
View File

@ -39,6 +39,16 @@
#include "xfs_error.h"
#include "xfs_btree.h"
int
xfs_internal_inum(
xfs_mount_t *mp,
xfs_ino_t ino)
{
return (ino == mp->m_sb.sb_rbmino || ino == mp->m_sb.sb_rsumino ||
(XFS_SB_VERSION_HASQUOTA(&mp->m_sb) &&
(ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino)));
}
STATIC int
xfs_bulkstat_one_iget(
xfs_mount_t *mp, /* mount point for filesystem */
@ -213,17 +223,12 @@ xfs_bulkstat_one(
xfs_dinode_t *dip; /* dinode inode pointer */
dip = (xfs_dinode_t *)dibuff;
*stat = BULKSTAT_RV_NOTHING;
if (!buffer || ino == mp->m_sb.sb_rbmino || ino == mp->m_sb.sb_rsumino ||
(XFS_SB_VERSION_HASQUOTA(&mp->m_sb) &&
(ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino))) {
*stat = BULKSTAT_RV_NOTHING;
if (!buffer || xfs_internal_inum(mp, ino))
return XFS_ERROR(EINVAL);
}
if (ubsize < sizeof(*buf)) {
*stat = BULKSTAT_RV_NOTHING;
if (ubsize < sizeof(*buf))
return XFS_ERROR(ENOMEM);
}
buf = kmem_alloc(sizeof(*buf), KM_SLEEP);
@ -239,8 +244,7 @@ xfs_bulkstat_one(
}
if (copy_to_user(buffer, buf, sizeof(*buf))) {
*stat = BULKSTAT_RV_NOTHING;
error = EFAULT;
error = EFAULT;
goto out_free;
}

5
fs/xfs/xfs_itable.h
View File

@ -81,6 +81,11 @@ xfs_bulkstat_one(
void *dibuff,
int *stat);
int
xfs_internal_inum(
xfs_mount_t *mp,
xfs_ino_t ino);
int /* error status */
xfs_inumbers(
xfs_mount_t *mp, /* mount point for filesystem */