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path: root/fs/xfs/xfs_ioctl32.c
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Diffstat (limited to 'fs/xfs/xfs_ioctl32.c')
-rw-r--r--fs/xfs/xfs_ioctl32.c116
1 files changed, 14 insertions, 102 deletions
diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
index 7fcf7569743f..769581a79c58 100644
--- a/fs/xfs/xfs_ioctl32.c
+++ b/fs/xfs/xfs_ioctl32.c
@@ -107,7 +107,7 @@ xfs_ioctl32_bstime_copyin(
xfs_bstime_t *bstime,
compat_xfs_bstime_t __user *bstime32)
{
- compat_time_t sec32; /* tv_sec differs on 64 vs. 32 */
+ old_time32_t sec32; /* tv_sec differs on 64 vs. 32 */
if (get_user(sec32, &bstime32->tv_sec) ||
get_user(bstime->tv_nsec, &bstime32->tv_nsec))
@@ -381,7 +381,7 @@ xfs_compat_attrlist_by_handle(
return PTR_ERR(dentry);
error = -ENOMEM;
- kbuf = kmem_zalloc_large(al_hreq.buflen, KM_SLEEP);
+ kbuf = kmem_zalloc_large(al_hreq.buflen, 0);
if (!kbuf)
goto out_dput;
@@ -450,6 +450,13 @@ xfs_compat_attrmulti_by_handle(
error = 0;
for (i = 0; i < am_hreq.opcount; i++) {
+ if ((ops[i].am_flags & ATTR_ROOT) &&
+ (ops[i].am_flags & ATTR_SECURE)) {
+ ops[i].am_error = -EINVAL;
+ continue;
+ }
+ ops[i].am_flags &= ~ATTR_KERNEL_FLAGS;
+
ops[i].am_error = strncpy_from_user((char *)attr_name,
compat_ptr(ops[i].am_attrname),
MAXNAMELEN);
@@ -500,44 +507,6 @@ xfs_compat_attrmulti_by_handle(
return error;
}
-STATIC int
-xfs_compat_fssetdm_by_handle(
- struct file *parfilp,
- void __user *arg)
-{
- int error;
- struct fsdmidata fsd;
- compat_xfs_fsop_setdm_handlereq_t dmhreq;
- struct dentry *dentry;
-
- if (!capable(CAP_MKNOD))
- return -EPERM;
- if (copy_from_user(&dmhreq, arg,
- sizeof(compat_xfs_fsop_setdm_handlereq_t)))
- return -EFAULT;
-
- dentry = xfs_compat_handlereq_to_dentry(parfilp, &dmhreq.hreq);
- if (IS_ERR(dentry))
- return PTR_ERR(dentry);
-
- if (IS_IMMUTABLE(d_inode(dentry)) || IS_APPEND(d_inode(dentry))) {
- error = -EPERM;
- goto out;
- }
-
- if (copy_from_user(&fsd, compat_ptr(dmhreq.data), sizeof(fsd))) {
- error = -EFAULT;
- goto out;
- }
-
- error = xfs_set_dmattrs(XFS_I(d_inode(dentry)), fsd.fsd_dmevmask,
- fsd.fsd_dmstate);
-
-out:
- dput(dentry);
- return error;
-}
-
long
xfs_file_compat_ioctl(
struct file *filp,
@@ -547,79 +516,23 @@ xfs_file_compat_ioctl(
struct inode *inode = file_inode(filp);
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
- void __user *arg = (void __user *)p;
+ void __user *arg = compat_ptr(p);
int error;
trace_xfs_file_compat_ioctl(ip);
switch (cmd) {
- /* No size or alignment issues on any arch */
- case XFS_IOC_DIOINFO:
- case XFS_IOC_FSGEOMETRY_V4:
- case XFS_IOC_FSGEOMETRY:
- case XFS_IOC_AG_GEOMETRY:
- case XFS_IOC_FSGETXATTR:
- case XFS_IOC_FSSETXATTR:
- case XFS_IOC_FSGETXATTRA:
- case XFS_IOC_FSSETDM:
- case XFS_IOC_GETBMAP:
- case XFS_IOC_GETBMAPA:
- case XFS_IOC_GETBMAPX:
- case XFS_IOC_FSCOUNTS:
- case XFS_IOC_SET_RESBLKS:
- case XFS_IOC_GET_RESBLKS:
- case XFS_IOC_FSGROWFSLOG:
- case XFS_IOC_GOINGDOWN:
- case XFS_IOC_ERROR_INJECTION:
- case XFS_IOC_ERROR_CLEARALL:
- case FS_IOC_GETFSMAP:
- case XFS_IOC_SCRUB_METADATA:
- case XFS_IOC_BULKSTAT:
- case XFS_IOC_INUMBERS:
- return xfs_file_ioctl(filp, cmd, p);
-#if !defined(BROKEN_X86_ALIGNMENT) || defined(CONFIG_X86_X32)
- /*
- * These are handled fine if no alignment issues. To support x32
- * which uses native 64-bit alignment we must emit these cases in
- * addition to the ia-32 compat set below.
- */
- case XFS_IOC_ALLOCSP:
- case XFS_IOC_FREESP:
- case XFS_IOC_RESVSP:
- case XFS_IOC_UNRESVSP:
- case XFS_IOC_ALLOCSP64:
- case XFS_IOC_FREESP64:
- case XFS_IOC_RESVSP64:
- case XFS_IOC_UNRESVSP64:
- case XFS_IOC_FSGEOMETRY_V1:
- case XFS_IOC_FSGROWFSDATA:
- case XFS_IOC_FSGROWFSRT:
- case XFS_IOC_ZERO_RANGE:
-#ifdef CONFIG_X86_X32
- /*
- * x32 special: this gets a different cmd number from the ia-32 compat
- * case below; the associated data will match native 64-bit alignment.
- */
- case XFS_IOC_SWAPEXT:
-#endif
- return xfs_file_ioctl(filp, cmd, p);
-#endif
#if defined(BROKEN_X86_ALIGNMENT)
case XFS_IOC_ALLOCSP_32:
case XFS_IOC_FREESP_32:
case XFS_IOC_ALLOCSP64_32:
- case XFS_IOC_FREESP64_32:
- case XFS_IOC_RESVSP_32:
- case XFS_IOC_UNRESVSP_32:
- case XFS_IOC_RESVSP64_32:
- case XFS_IOC_UNRESVSP64_32:
- case XFS_IOC_ZERO_RANGE_32: {
+ case XFS_IOC_FREESP64_32: {
struct xfs_flock64 bf;
if (xfs_compat_flock64_copyin(&bf, arg))
return -EFAULT;
cmd = _NATIVE_IOC(cmd, struct xfs_flock64);
- return xfs_ioc_space(filp, cmd, &bf);
+ return xfs_ioc_space(filp, &bf);
}
case XFS_IOC_FSGEOMETRY_V1_32:
return xfs_compat_ioc_fsgeometry_v1(mp, arg);
@@ -702,9 +615,8 @@ xfs_file_compat_ioctl(
return xfs_compat_attrlist_by_handle(filp, arg);
case XFS_IOC_ATTRMULTI_BY_HANDLE_32:
return xfs_compat_attrmulti_by_handle(filp, arg);
- case XFS_IOC_FSSETDM_BY_HANDLE_32:
- return xfs_compat_fssetdm_by_handle(filp, arg);
default:
- return -ENOIOCTLCMD;
+ /* try the native version */
+ return xfs_file_ioctl(filp, cmd, (unsigned long)arg);
}
}
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