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path: root/fs/xfs/xfs_ioctl.c
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Diffstat (limited to 'fs/xfs/xfs_ioctl.c')
-rw-r--r--fs/xfs/xfs_ioctl.c140
1 files changed, 67 insertions, 73 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 1a1648fbda1c..30983b8ceaa1 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -305,7 +305,7 @@ xfs_readlink_by_handle(
goto out_dput;
}
- error = -xfs_readlink(XFS_I(dentry->d_inode), link);
+ error = xfs_readlink(XFS_I(dentry->d_inode), link);
if (error)
goto out_kfree;
error = readlink_copy(hreq->ohandle, olen, link);
@@ -330,10 +330,10 @@ xfs_set_dmattrs(
int error;
if (!capable(CAP_SYS_ADMIN))
- return EPERM;
+ return -EPERM;
if (XFS_FORCED_SHUTDOWN(mp))
- return EIO;
+ return -EIO;
tp = xfs_trans_alloc(mp, XFS_TRANS_SET_DMATTRS);
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 0, 0);
@@ -388,7 +388,7 @@ xfs_fssetdm_by_handle(
goto out;
}
- error = -xfs_set_dmattrs(XFS_I(dentry->d_inode), fsd.fsd_dmevmask,
+ error = xfs_set_dmattrs(XFS_I(dentry->d_inode), fsd.fsd_dmevmask,
fsd.fsd_dmstate);
out:
@@ -431,7 +431,7 @@ xfs_attrlist_by_handle(
goto out_dput;
cursor = (attrlist_cursor_kern_t *)&al_hreq.pos;
- error = -xfs_attr_list(XFS_I(dentry->d_inode), kbuf, al_hreq.buflen,
+ error = xfs_attr_list(XFS_I(dentry->d_inode), kbuf, al_hreq.buflen,
al_hreq.flags, cursor);
if (error)
goto out_kfree;
@@ -455,20 +455,20 @@ xfs_attrmulti_attr_get(
__uint32_t flags)
{
unsigned char *kbuf;
- int error = EFAULT;
+ int error = -EFAULT;
if (*len > XATTR_SIZE_MAX)
- return EINVAL;
+ return -EINVAL;
kbuf = kmem_zalloc_large(*len, KM_SLEEP);
if (!kbuf)
- return ENOMEM;
+ return -ENOMEM;
error = xfs_attr_get(XFS_I(inode), name, kbuf, (int *)len, flags);
if (error)
goto out_kfree;
if (copy_to_user(ubuf, kbuf, *len))
- error = EFAULT;
+ error = -EFAULT;
out_kfree:
kmem_free(kbuf);
@@ -484,20 +484,17 @@ xfs_attrmulti_attr_set(
__uint32_t flags)
{
unsigned char *kbuf;
- int error = EFAULT;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
- return EPERM;
+ return -EPERM;
if (len > XATTR_SIZE_MAX)
- return EINVAL;
+ return -EINVAL;
kbuf = memdup_user(ubuf, len);
if (IS_ERR(kbuf))
return PTR_ERR(kbuf);
- error = xfs_attr_set(XFS_I(inode), name, kbuf, len, flags);
-
- return error;
+ return xfs_attr_set(XFS_I(inode), name, kbuf, len, flags);
}
int
@@ -507,7 +504,7 @@ xfs_attrmulti_attr_remove(
__uint32_t flags)
{
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
- return EPERM;
+ return -EPERM;
return xfs_attr_remove(XFS_I(inode), name, flags);
}
@@ -536,18 +533,18 @@ xfs_attrmulti_by_handle(
if (IS_ERR(dentry))
return PTR_ERR(dentry);
- error = E2BIG;
+ error = -E2BIG;
size = am_hreq.opcount * sizeof(xfs_attr_multiop_t);
if (!size || size > 16 * PAGE_SIZE)
goto out_dput;
ops = memdup_user(am_hreq.ops, size);
if (IS_ERR(ops)) {
- error = -PTR_ERR(ops);
+ error = PTR_ERR(ops);
goto out_dput;
}
- error = ENOMEM;
+ error = -ENOMEM;
attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL);
if (!attr_name)
goto out_kfree_ops;
@@ -557,7 +554,7 @@ xfs_attrmulti_by_handle(
ops[i].am_error = strncpy_from_user((char *)attr_name,
ops[i].am_attrname, MAXNAMELEN);
if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN)
- error = ERANGE;
+ error = -ERANGE;
if (ops[i].am_error < 0)
break;
@@ -588,19 +585,19 @@ xfs_attrmulti_by_handle(
mnt_drop_write_file(parfilp);
break;
default:
- ops[i].am_error = EINVAL;
+ ops[i].am_error = -EINVAL;
}
}
if (copy_to_user(am_hreq.ops, ops, size))
- error = EFAULT;
+ error = -EFAULT;
kfree(attr_name);
out_kfree_ops:
kfree(ops);
out_dput:
dput(dentry);
- return -error;
+ return error;
}
int
@@ -652,7 +649,7 @@ xfs_ioc_space(
bf->l_start += XFS_ISIZE(ip);
break;
default:
- error = EINVAL;
+ error = -EINVAL;
goto out_unlock;
}
@@ -669,7 +666,7 @@ xfs_ioc_space(
case XFS_IOC_UNRESVSP:
case XFS_IOC_UNRESVSP64:
if (bf->l_len <= 0) {
- error = EINVAL;
+ error = -EINVAL;
goto out_unlock;
}
break;
@@ -682,7 +679,7 @@ xfs_ioc_space(
bf->l_start > mp->m_super->s_maxbytes ||
bf->l_start + bf->l_len < 0 ||
bf->l_start + bf->l_len >= mp->m_super->s_maxbytes) {
- error = EINVAL;
+ error = -EINVAL;
goto out_unlock;
}
@@ -723,7 +720,7 @@ xfs_ioc_space(
break;
default:
ASSERT(0);
- error = EINVAL;
+ error = -EINVAL;
}
if (error)
@@ -759,7 +756,7 @@ xfs_ioc_space(
out_unlock:
xfs_iunlock(ip, XFS_IOLOCK_EXCL);
mnt_drop_write_file(filp);
- return -error;
+ return error;
}
STATIC int
@@ -807,7 +804,7 @@ xfs_ioc_bulkstat(
&done);
if (error)
- return -error;
+ return error;
if (bulkreq.ocount != NULL) {
if (copy_to_user(bulkreq.lastip, &inlast,
@@ -831,7 +828,7 @@ xfs_ioc_fsgeometry_v1(
error = xfs_fs_geometry(mp, &fsgeo, 3);
if (error)
- return -error;
+ return error;
/*
* Caller should have passed an argument of type
@@ -853,7 +850,7 @@ xfs_ioc_fsgeometry(
error = xfs_fs_geometry(mp, &fsgeo, 4);
if (error)
- return -error;
+ return error;
if (copy_to_user(arg, &fsgeo, sizeof(fsgeo)))
return -EFAULT;
@@ -1041,16 +1038,16 @@ xfs_ioctl_setattr(
trace_xfs_ioctl_setattr(ip);
if (mp->m_flags & XFS_MOUNT_RDONLY)
- return EROFS;
+ return -EROFS;
if (XFS_FORCED_SHUTDOWN(mp))
- return EIO;
+ return -EIO;
/*
* Disallow 32bit project ids when projid32bit feature is not enabled.
*/
if ((mask & FSX_PROJID) && (fa->fsx_projid > (__uint16_t)-1) &&
!xfs_sb_version_hasprojid32bit(&ip->i_mount->m_sb))
- return EINVAL;
+ return -EINVAL;
/*
* If disk quotas is on, we make sure that the dquots do exist on disk,
@@ -1088,7 +1085,7 @@ xfs_ioctl_setattr(
* CAP_FSETID capability is applicable.
*/
if (!inode_owner_or_capable(VFS_I(ip))) {
- code = EPERM;
+ code = -EPERM;
goto error_return;
}
@@ -1099,7 +1096,7 @@ xfs_ioctl_setattr(
*/
if (mask & FSX_PROJID) {
if (current_user_ns() != &init_user_ns) {
- code = EINVAL;
+ code = -EINVAL;
goto error_return;
}
@@ -1122,7 +1119,7 @@ xfs_ioctl_setattr(
if (ip->i_d.di_nextents &&
((ip->i_d.di_extsize << mp->m_sb.sb_blocklog) !=
fa->fsx_extsize)) {
- code = EINVAL; /* EFBIG? */
+ code = -EINVAL; /* EFBIG? */
goto error_return;
}
@@ -1141,7 +1138,7 @@ xfs_ioctl_setattr(
extsize_fsb = XFS_B_TO_FSB(mp, fa->fsx_extsize);
if (extsize_fsb > MAXEXTLEN) {
- code = EINVAL;
+ code = -EINVAL;
goto error_return;
}
@@ -1153,13 +1150,13 @@ xfs_ioctl_setattr(
} else {
size = mp->m_sb.sb_blocksize;
if (extsize_fsb > mp->m_sb.sb_agblocks / 2) {
- code = EINVAL;
+ code = -EINVAL;
goto error_return;
}
}
if (fa->fsx_extsize % size) {
- code = EINVAL;
+ code = -EINVAL;
goto error_return;
}
}
@@ -1173,7 +1170,7 @@ xfs_ioctl_setattr(
if ((ip->i_d.di_nextents || ip->i_delayed_blks) &&
(XFS_IS_REALTIME_INODE(ip)) !=
(fa->fsx_xflags & XFS_XFLAG_REALTIME)) {
- code = EINVAL; /* EFBIG? */
+ code = -EINVAL; /* EFBIG? */
goto error_return;
}
@@ -1184,7 +1181,7 @@ xfs_ioctl_setattr(
if ((mp->m_sb.sb_rblocks == 0) ||
(mp->m_sb.sb_rextsize == 0) ||
(ip->i_d.di_extsize % mp->m_sb.sb_rextsize)) {
- code = EINVAL;
+ code = -EINVAL;
goto error_return;
}
}
@@ -1198,7 +1195,7 @@ xfs_ioctl_setattr(
(fa->fsx_xflags &
(XFS_XFLAG_IMMUTABLE | XFS_XFLAG_APPEND))) &&
!capable(CAP_LINUX_IMMUTABLE)) {
- code = EPERM;
+ code = -EPERM;
goto error_return;
}
}
@@ -1301,7 +1298,7 @@ xfs_ioc_fssetxattr(
return error;
error = xfs_ioctl_setattr(ip, &fa, mask);
mnt_drop_write_file(filp);
- return -error;
+ return error;
}
STATIC int
@@ -1346,7 +1343,7 @@ xfs_ioc_setxflags(
return error;
error = xfs_ioctl_setattr(ip, &fa, mask);
mnt_drop_write_file(filp);
- return -error;
+ return error;
}
STATIC int
@@ -1356,7 +1353,7 @@ xfs_getbmap_format(void **ap, struct getbmapx *bmv, int *full)
/* copy only getbmap portion (not getbmapx) */
if (copy_to_user(base, bmv, sizeof(struct getbmap)))
- return EFAULT;
+ return -EFAULT;
*ap += sizeof(struct getbmap);
return 0;
@@ -1385,7 +1382,7 @@ xfs_ioc_getbmap(
error = xfs_getbmap(ip, &bmx, xfs_getbmap_format,
(struct getbmap *)arg+1);
if (error)
- return -error;
+ return error;
/* copy back header - only size of getbmap */
if (copy_to_user(arg, &bmx, sizeof(struct getbmap)))
@@ -1399,7 +1396,7 @@ xfs_getbmapx_format(void **ap, struct getbmapx *bmv, int *full)
struct getbmapx __user *base = *ap;
if (copy_to_user(base, bmv, sizeof(struct getbmapx)))
- return EFAULT;
+ return -EFAULT;
*ap += sizeof(struct getbmapx);
return 0;
@@ -1425,7 +1422,7 @@ xfs_ioc_getbmapx(
error = xfs_getbmap(ip, &bmx, xfs_getbmapx_format,
(struct getbmapx *)arg+1);
if (error)
- return -error;
+ return error;
/* copy back header */
if (copy_to_user(arg, &bmx, sizeof(struct getbmapx)))
@@ -1445,33 +1442,33 @@ xfs_ioc_swapext(
/* Pull information for the target fd */
f = fdget((int)sxp->sx_fdtarget);
if (!f.file) {
- error = EINVAL;
+ error = -EINVAL;
goto out;
}
if (!(f.file->f_mode & FMODE_WRITE) ||
!(f.file->f_mode & FMODE_READ) ||
(f.file->f_flags & O_APPEND)) {
- error = EBADF;
+ error = -EBADF;
goto out_put_file;
}
tmp = fdget((int)sxp->sx_fdtmp);
if (!tmp.file) {
- error = EINVAL;
+ error = -EINVAL;
goto out_put_file;
}
if (!(tmp.file->f_mode & FMODE_WRITE) ||
!(tmp.file->f_mode & FMODE_READ) ||
(tmp.file->f_flags & O_APPEND)) {
- error = EBADF;
+ error = -EBADF;
goto out_put_tmp_file;
}
if (IS_SWAPFILE(file_inode(f.file)) ||
IS_SWAPFILE(file_inode(tmp.file))) {
- error = EINVAL;
+ error = -EINVAL;
goto out_put_tmp_file;
}
@@ -1479,17 +1476,17 @@ xfs_ioc_swapext(
tip = XFS_I(file_inode(tmp.file));
if (ip->i_mount != tip->i_mount) {
- error = EINVAL;
+ error = -EINVAL;
goto out_put_tmp_file;
}
if (ip->i_ino == tip->i_ino) {
- error = EINVAL;
+ error = -EINVAL;
goto out_put_tmp_file;
}
if (XFS_FORCED_SHUTDOWN(ip->i_mount)) {
- error = EIO;
+ error = -EIO;
goto out_put_tmp_file;
}
@@ -1597,7 +1594,7 @@ xfs_file_ioctl(
error = xfs_set_dmattrs(ip, dmi.fsd_dmevmask,
dmi.fsd_dmstate);
mnt_drop_write_file(filp);
- return -error;
+ return error;
}
case XFS_IOC_GETBMAP:
@@ -1649,7 +1646,7 @@ xfs_file_ioctl(
return error;
error = xfs_ioc_swapext(&sxp);
mnt_drop_write_file(filp);
- return -error;
+ return error;
}
case XFS_IOC_FSCOUNTS: {
@@ -1657,7 +1654,7 @@ xfs_file_ioctl(
error = xfs_fs_counts(mp, &out);
if (error)
- return -error;
+ return error;
if (copy_to_user(arg, &out, sizeof(out)))
return -EFAULT;
@@ -1686,7 +1683,7 @@ xfs_file_ioctl(
error = xfs_reserve_blocks(mp, &in, &inout);
mnt_drop_write_file(filp);
if (error)
- return -error;
+ return error;
if (copy_to_user(arg, &inout, sizeof(inout)))
return -EFAULT;
@@ -1701,7 +1698,7 @@ xfs_file_ioctl(
error = xfs_reserve_blocks(mp, NULL, &out);
if (error)
- return -error;
+ return error;
if (copy_to_user(arg, &out, sizeof(out)))
return -EFAULT;
@@ -1720,7 +1717,7 @@ xfs_file_ioctl(
return error;
error = xfs_growfs_data(mp, &in);
mnt_drop_write_file(filp);
- return -error;
+ return error;
}
case XFS_IOC_FSGROWFSLOG: {
@@ -1734,7 +1731,7 @@ xfs_file_ioctl(
return error;
error = xfs_growfs_log(mp, &in);
mnt_drop_write_file(filp);
- return -error;
+ return error;
}
case XFS_IOC_FSGROWFSRT: {
@@ -1748,7 +1745,7 @@ xfs_file_ioctl(
return error;
error = xfs_growfs_rt(mp, &in);
mnt_drop_write_file(filp);
- return -error;
+ return error;
}
case XFS_IOC_GOINGDOWN: {
@@ -1760,8 +1757,7 @@ xfs_file_ioctl(
if (get_user(in, (__uint32_t __user *)arg))
return -EFAULT;
- error = xfs_fs_goingdown(mp, in);
- return -error;
+ return xfs_fs_goingdown(mp, in);
}
case XFS_IOC_ERROR_INJECTION: {
@@ -1773,16 +1769,14 @@ xfs_file_ioctl(
if (copy_from_user(&in, arg, sizeof(in)))
return -EFAULT;
- error = xfs_errortag_add(in.errtag, mp);
- return -error;
+ return xfs_errortag_add(in.errtag, mp);
}
case XFS_IOC_ERROR_CLEARALL:
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- error = xfs_errortag_clearall(mp, 1);
- return -error;
+ return xfs_errortag_clearall(mp, 1);
case XFS_IOC_FREE_EOFBLOCKS: {
struct xfs_fs_eofblocks eofb;
@@ -1799,9 +1793,9 @@ xfs_file_ioctl(
error = xfs_fs_eofblocks_from_user(&eofb, &keofb);
if (error)
- return -error;
+ return error;
- return -xfs_icache_free_eofblocks(mp, &keofb);
+ return xfs_icache_free_eofblocks(mp, &keofb);
}
default:
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