diff options
author | Eric Sandeen <sandeen@sandeen.net> | 2014-06-22 09:04:54 +0400 |
---|---|---|
committer | Dave Chinner <david@fromorbit.com> | 2014-06-22 09:04:54 +0400 |
commit | b474c7ae4395ba684e85fde8f55c8cf44a39afaf (patch) | |
tree | a7d3cad895a9e1f14894710b43e9ccbf634da3f1 /fs/xfs/xfs_ioctl.c | |
parent | d99831ff393ff2e28d6110b41f24d9fecf986222 (diff) | |
download | linux-b474c7ae4395ba684e85fde8f55c8cf44a39afaf.tar.xz |
xfs: Nuke XFS_ERROR macro
XFS_ERROR was designed long ago to trap return values, but it's not
runtime configurable, it's not consistently used, and we can do
similar error trapping with ftrace scripts and triggers from
userspace.
Just nuke XFS_ERROR and associated bits.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_ioctl.c')
-rw-r--r-- | fs/xfs/xfs_ioctl.c | 174 |
1 files changed, 87 insertions, 87 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 8bc1bbce7451..1a1648fbda1c 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -207,7 +207,7 @@ xfs_open_by_handle( struct path path; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; dentry = xfs_handlereq_to_dentry(parfilp, hreq); if (IS_ERR(dentry)) @@ -216,7 +216,7 @@ xfs_open_by_handle( /* Restrict xfs_open_by_handle to directories & regular files. */ if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode))) { - error = -XFS_ERROR(EPERM); + error = -EPERM; goto out_dput; } @@ -228,18 +228,18 @@ xfs_open_by_handle( fmode = OPEN_FMODE(permflag); if ((!(permflag & O_APPEND) || (permflag & O_TRUNC)) && (fmode & FMODE_WRITE) && IS_APPEND(inode)) { - error = -XFS_ERROR(EPERM); + error = -EPERM; goto out_dput; } if ((fmode & FMODE_WRITE) && IS_IMMUTABLE(inode)) { - error = -XFS_ERROR(EACCES); + error = -EACCES; goto out_dput; } /* Can't write directories. */ if (S_ISDIR(inode->i_mode) && (fmode & FMODE_WRITE)) { - error = -XFS_ERROR(EISDIR); + error = -EISDIR; goto out_dput; } @@ -282,7 +282,7 @@ xfs_readlink_by_handle( int error; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; dentry = xfs_handlereq_to_dentry(parfilp, hreq); if (IS_ERR(dentry)) @@ -290,18 +290,18 @@ xfs_readlink_by_handle( /* Restrict this handle operation to symlinks only. */ if (!S_ISLNK(dentry->d_inode->i_mode)) { - error = -XFS_ERROR(EINVAL); + error = -EINVAL; goto out_dput; } if (copy_from_user(&olen, hreq->ohandlen, sizeof(__u32))) { - error = -XFS_ERROR(EFAULT); + error = -EFAULT; goto out_dput; } link = kmalloc(MAXPATHLEN+1, GFP_KERNEL); if (!link) { - error = -XFS_ERROR(ENOMEM); + error = -ENOMEM; goto out_dput; } @@ -330,10 +330,10 @@ xfs_set_dmattrs( int error; if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); + return EPERM; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + return EIO; tp = xfs_trans_alloc(mp, XFS_TRANS_SET_DMATTRS); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 0, 0); @@ -364,9 +364,9 @@ xfs_fssetdm_by_handle( struct dentry *dentry; if (!capable(CAP_MKNOD)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&dmhreq, arg, sizeof(xfs_fsop_setdm_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(parfilp); if (error) @@ -379,12 +379,12 @@ xfs_fssetdm_by_handle( } if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode)) { - error = -XFS_ERROR(EPERM); + error = -EPERM; goto out; } if (copy_from_user(&fsd, dmhreq.data, sizeof(fsd))) { - error = -XFS_ERROR(EFAULT); + error = -EFAULT; goto out; } @@ -409,18 +409,18 @@ xfs_attrlist_by_handle( char *kbuf; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&al_hreq, arg, sizeof(xfs_fsop_attrlist_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (al_hreq.buflen < sizeof(struct attrlist) || al_hreq.buflen > XATTR_LIST_MAX) - return -XFS_ERROR(EINVAL); + return -EINVAL; /* * Reject flags, only allow namespaces. */ if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE)) - return -XFS_ERROR(EINVAL); + return -EINVAL; dentry = xfs_handlereq_to_dentry(parfilp, &al_hreq.hreq); if (IS_ERR(dentry)) @@ -524,9 +524,9 @@ xfs_attrmulti_by_handle( unsigned char *attr_name; if (!capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (copy_from_user(&am_hreq, arg, sizeof(xfs_fsop_attrmulti_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; /* overflow check */ if (am_hreq.opcount >= INT_MAX / sizeof(xfs_attr_multiop_t)) @@ -593,7 +593,7 @@ xfs_attrmulti_by_handle( } if (copy_to_user(am_hreq.ops, ops, size)) - error = XFS_ERROR(EFAULT); + error = EFAULT; kfree(attr_name); out_kfree_ops: @@ -625,16 +625,16 @@ xfs_ioc_space( */ if (!xfs_sb_version_hasextflgbit(&ip->i_mount->m_sb) && !capable(CAP_SYS_ADMIN)) - return -XFS_ERROR(EPERM); + return -EPERM; if (inode->i_flags & (S_IMMUTABLE|S_APPEND)) - return -XFS_ERROR(EPERM); + return -EPERM; if (!(filp->f_mode & FMODE_WRITE)) - return -XFS_ERROR(EBADF); + return -EBADF; if (!S_ISREG(inode->i_mode)) - return -XFS_ERROR(EINVAL); + return -EINVAL; error = mnt_want_write_file(filp); if (error) @@ -652,7 +652,7 @@ xfs_ioc_space( bf->l_start += XFS_ISIZE(ip); break; default: - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_unlock; } @@ -669,7 +669,7 @@ xfs_ioc_space( case XFS_IOC_UNRESVSP: case XFS_IOC_UNRESVSP64: if (bf->l_len <= 0) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_unlock; } break; @@ -682,7 +682,7 @@ 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 = XFS_ERROR(EINVAL); + error = EINVAL; goto out_unlock; } @@ -723,7 +723,7 @@ xfs_ioc_space( break; default: ASSERT(0); - error = XFS_ERROR(EINVAL); + error = EINVAL; } if (error) @@ -781,19 +781,19 @@ xfs_ioc_bulkstat( return -EPERM; if (XFS_FORCED_SHUTDOWN(mp)) - return -XFS_ERROR(EIO); + return -EIO; if (copy_from_user(&bulkreq, arg, sizeof(xfs_fsop_bulkreq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if ((count = bulkreq.icount) <= 0) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (bulkreq.ubuffer == NULL) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (cmd == XFS_IOC_FSINUMBERS) error = xfs_inumbers(mp, &inlast, &count, @@ -812,10 +812,10 @@ xfs_ioc_bulkstat( if (bulkreq.ocount != NULL) { if (copy_to_user(bulkreq.lastip, &inlast, sizeof(xfs_ino_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (copy_to_user(bulkreq.ocount, &count, sizeof(count))) - return -XFS_ERROR(EFAULT); + return -EFAULT; } return 0; @@ -839,7 +839,7 @@ xfs_ioc_fsgeometry_v1( * xfs_fsop_geom_t that xfs_fs_geometry() fills in. */ if (copy_to_user(arg, &fsgeo, sizeof(xfs_fsop_geom_v1_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -856,7 +856,7 @@ xfs_ioc_fsgeometry( return -error; if (copy_to_user(arg, &fsgeo, sizeof(fsgeo))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1041,16 +1041,16 @@ xfs_ioctl_setattr( trace_xfs_ioctl_setattr(ip); if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); + return EROFS; if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(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 XFS_ERROR(EINVAL); + return EINVAL; /* * If disk quotas is on, we make sure that the dquots do exist on disk, @@ -1088,7 +1088,7 @@ xfs_ioctl_setattr( * CAP_FSETID capability is applicable. */ if (!inode_owner_or_capable(VFS_I(ip))) { - code = XFS_ERROR(EPERM); + code = EPERM; goto error_return; } @@ -1099,7 +1099,7 @@ xfs_ioctl_setattr( */ if (mask & FSX_PROJID) { if (current_user_ns() != &init_user_ns) { - code = XFS_ERROR(EINVAL); + code = EINVAL; goto error_return; } @@ -1122,7 +1122,7 @@ xfs_ioctl_setattr( if (ip->i_d.di_nextents && ((ip->i_d.di_extsize << mp->m_sb.sb_blocklog) != fa->fsx_extsize)) { - code = XFS_ERROR(EINVAL); /* EFBIG? */ + code = EINVAL; /* EFBIG? */ goto error_return; } @@ -1141,7 +1141,7 @@ xfs_ioctl_setattr( extsize_fsb = XFS_B_TO_FSB(mp, fa->fsx_extsize); if (extsize_fsb > MAXEXTLEN) { - code = XFS_ERROR(EINVAL); + code = EINVAL; goto error_return; } @@ -1153,13 +1153,13 @@ xfs_ioctl_setattr( } else { size = mp->m_sb.sb_blocksize; if (extsize_fsb > mp->m_sb.sb_agblocks / 2) { - code = XFS_ERROR(EINVAL); + code = EINVAL; goto error_return; } } if (fa->fsx_extsize % size) { - code = XFS_ERROR(EINVAL); + code = EINVAL; goto error_return; } } @@ -1173,7 +1173,7 @@ 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 = XFS_ERROR(EINVAL); /* EFBIG? */ + code = EINVAL; /* EFBIG? */ goto error_return; } @@ -1184,7 +1184,7 @@ 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 = XFS_ERROR(EINVAL); + code = EINVAL; goto error_return; } } @@ -1198,7 +1198,7 @@ xfs_ioctl_setattr( (fa->fsx_xflags & (XFS_XFLAG_IMMUTABLE | XFS_XFLAG_APPEND))) && !capable(CAP_LINUX_IMMUTABLE)) { - code = XFS_ERROR(EPERM); + code = EPERM; goto error_return; } } @@ -1356,7 +1356,7 @@ 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 XFS_ERROR(EFAULT); + return EFAULT; *ap += sizeof(struct getbmap); return 0; @@ -1373,10 +1373,10 @@ xfs_ioc_getbmap( int error; if (copy_from_user(&bmx, arg, sizeof(struct getbmapx))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (bmx.bmv_count < 2) - return -XFS_ERROR(EINVAL); + return -EINVAL; bmx.bmv_iflags = (cmd == XFS_IOC_GETBMAPA ? BMV_IF_ATTRFORK : 0); if (ioflags & IO_INVIS) @@ -1389,7 +1389,7 @@ xfs_ioc_getbmap( /* copy back header - only size of getbmap */ if (copy_to_user(arg, &bmx, sizeof(struct getbmap))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1399,7 +1399,7 @@ 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 XFS_ERROR(EFAULT); + return EFAULT; *ap += sizeof(struct getbmapx); return 0; @@ -1414,13 +1414,13 @@ xfs_ioc_getbmapx( int error; if (copy_from_user(&bmx, arg, sizeof(bmx))) - return -XFS_ERROR(EFAULT); + return -EFAULT; if (bmx.bmv_count < 2) - return -XFS_ERROR(EINVAL); + return -EINVAL; if (bmx.bmv_iflags & (~BMV_IF_VALID)) - return -XFS_ERROR(EINVAL); + return -EINVAL; error = xfs_getbmap(ip, &bmx, xfs_getbmapx_format, (struct getbmapx *)arg+1); @@ -1429,7 +1429,7 @@ xfs_ioc_getbmapx( /* copy back header */ if (copy_to_user(arg, &bmx, sizeof(struct getbmapx))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1445,33 +1445,33 @@ xfs_ioc_swapext( /* Pull information for the target fd */ f = fdget((int)sxp->sx_fdtarget); if (!f.file) { - error = XFS_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 = XFS_ERROR(EBADF); + error = EBADF; goto out_put_file; } tmp = fdget((int)sxp->sx_fdtmp); if (!tmp.file) { - error = XFS_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 = XFS_ERROR(EBADF); + error = EBADF; goto out_put_tmp_file; } if (IS_SWAPFILE(file_inode(f.file)) || IS_SWAPFILE(file_inode(tmp.file))) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_put_tmp_file; } @@ -1479,17 +1479,17 @@ xfs_ioc_swapext( tip = XFS_I(file_inode(tmp.file)); if (ip->i_mount != tip->i_mount) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_put_tmp_file; } if (ip->i_ino == tip->i_ino) { - error = XFS_ERROR(EINVAL); + error = EINVAL; goto out_put_tmp_file; } if (XFS_FORCED_SHUTDOWN(ip->i_mount)) { - error = XFS_ERROR(EIO); + error = EIO; goto out_put_tmp_file; } @@ -1542,7 +1542,7 @@ xfs_file_ioctl( xfs_flock64_t bf; if (copy_from_user(&bf, arg, sizeof(bf))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_ioc_space(ip, inode, filp, ioflags, cmd, &bf); } case XFS_IOC_DIOINFO: { @@ -1555,7 +1555,7 @@ xfs_file_ioctl( da.d_maxiosz = INT_MAX & ~(da.d_miniosz - 1); if (copy_to_user(arg, &da, sizeof(da))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1588,7 +1588,7 @@ xfs_file_ioctl( struct fsdmidata dmi; if (copy_from_user(&dmi, arg, sizeof(dmi))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1613,14 +1613,14 @@ xfs_file_ioctl( xfs_fsop_handlereq_t hreq; if (copy_from_user(&hreq, arg, sizeof(hreq))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_find_handle(cmd, &hreq); } case XFS_IOC_OPEN_BY_HANDLE: { xfs_fsop_handlereq_t hreq; if (copy_from_user(&hreq, arg, sizeof(xfs_fsop_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_open_by_handle(filp, &hreq); } case XFS_IOC_FSSETDM_BY_HANDLE: @@ -1630,7 +1630,7 @@ xfs_file_ioctl( xfs_fsop_handlereq_t hreq; if (copy_from_user(&hreq, arg, sizeof(xfs_fsop_handlereq_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return xfs_readlink_by_handle(filp, &hreq); } case XFS_IOC_ATTRLIST_BY_HANDLE: @@ -1643,7 +1643,7 @@ xfs_file_ioctl( struct xfs_swapext sxp; if (copy_from_user(&sxp, arg, sizeof(xfs_swapext_t))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) return error; @@ -1660,7 +1660,7 @@ xfs_file_ioctl( return -error; if (copy_to_user(arg, &out, sizeof(out))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1672,10 +1672,10 @@ xfs_file_ioctl( return -EPERM; if (mp->m_flags & XFS_MOUNT_RDONLY) - return -XFS_ERROR(EROFS); + return -EROFS; if (copy_from_user(&inout, arg, sizeof(inout))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1689,7 +1689,7 @@ xfs_file_ioctl( return -error; if (copy_to_user(arg, &inout, sizeof(inout))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1704,7 +1704,7 @@ xfs_file_ioctl( return -error; if (copy_to_user(arg, &out, sizeof(out))) - return -XFS_ERROR(EFAULT); + return -EFAULT; return 0; } @@ -1713,7 +1713,7 @@ xfs_file_ioctl( xfs_growfs_data_t in; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1727,7 +1727,7 @@ xfs_file_ioctl( xfs_growfs_log_t in; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1741,7 +1741,7 @@ xfs_file_ioctl( xfs_growfs_rt_t in; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = mnt_want_write_file(filp); if (error) @@ -1758,7 +1758,7 @@ xfs_file_ioctl( return -EPERM; if (get_user(in, (__uint32_t __user *)arg)) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = xfs_fs_goingdown(mp, in); return -error; @@ -1771,7 +1771,7 @@ xfs_file_ioctl( return -EPERM; if (copy_from_user(&in, arg, sizeof(in))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = xfs_errortag_add(in.errtag, mp); return -error; @@ -1792,10 +1792,10 @@ xfs_file_ioctl( return -EPERM; if (mp->m_flags & XFS_MOUNT_RDONLY) - return -XFS_ERROR(EROFS); + return -EROFS; if (copy_from_user(&eofb, arg, sizeof(eofb))) - return -XFS_ERROR(EFAULT); + return -EFAULT; error = xfs_fs_eofblocks_from_user(&eofb, &keofb); if (error) |