Hi Douglas,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on mkp-scsi/for-next]
[also build test WARNING on next-20190524]
[cannot apply to v5.2-rc1]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/Douglas-Gilbert/sg-v4-interface-rq-sharing-multiple-rqs/20190525-161346
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 7.4.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>

All warnings (new ones prefixed by >>):

   drivers/scsi/sg.c: In function 'sg_ioctl':
>> drivers/scsi/sg.c:1698:1: warning: the frame size of 5824 bytes is larger 
>> than 2048 bytes [-Wframe-larger-than=]
    }
    ^

vim +1698 drivers/scsi/sg.c

c5ad643d Douglas Gilbert   2019-05-24  1465  
c5ad643d Douglas Gilbert   2019-05-24  1466  static long
c5ad643d Douglas Gilbert   2019-05-24  1467  sg_ioctl(struct file *filp, 
unsigned int cmd_in, unsigned long arg)
c5ad643d Douglas Gilbert   2019-05-24  1468  {
c5ad643d Douglas Gilbert   2019-05-24  1469     bool read_only = O_RDWR != 
(filp->f_flags & O_ACCMODE);
c5ad643d Douglas Gilbert   2019-05-24  1470     bool check_detach = false;
c5ad643d Douglas Gilbert   2019-05-24  1471     int val;
c5ad643d Douglas Gilbert   2019-05-24  1472     int result = 0;
c5ad643d Douglas Gilbert   2019-05-24  1473     void __user *p = uptr64(arg);
c5ad643d Douglas Gilbert   2019-05-24  1474     int __user *ip = p;
c5ad643d Douglas Gilbert   2019-05-24  1475     struct sg_device *sdp;
c5ad643d Douglas Gilbert   2019-05-24  1476     struct sg_fd *sfp;
c5ad643d Douglas Gilbert   2019-05-24  1477     struct sg_request *srp;
c5ad643d Douglas Gilbert   2019-05-24  1478     struct scsi_device *sdev;
c5ad643d Douglas Gilbert   2019-05-24  1479     __maybe_unused const char *pmlp 
= ", pass to mid-level";
c5ad643d Douglas Gilbert   2019-05-24  1480  
c5ad643d Douglas Gilbert   2019-05-24  1481     sfp = filp->private_data;
c5ad643d Douglas Gilbert   2019-05-24  1482     sdp = sfp->parentdp;
c5ad643d Douglas Gilbert   2019-05-24  1483     SG_LOG(6, sdp, "%s: cmd=0x%x, 
O_NONBLOCK=%d\n", __func__, cmd_in,
c5ad643d Douglas Gilbert   2019-05-24  1484            !!(filp->f_flags & 
O_NONBLOCK));
c5ad643d Douglas Gilbert   2019-05-24  1485     if (!sdp)
c5ad643d Douglas Gilbert   2019-05-24  1486             return -ENXIO;
c5ad643d Douglas Gilbert   2019-05-24  1487     if 
(unlikely(atomic_read(&sdp->detaching)))
c5ad643d Douglas Gilbert   2019-05-24  1488             return -ENODEV;
c5ad643d Douglas Gilbert   2019-05-24  1489     sdev = sdp->device;
c5ad643d Douglas Gilbert   2019-05-24  1490  
c5ad643d Douglas Gilbert   2019-05-24  1491     switch (cmd_in) {
c5ad643d Douglas Gilbert   2019-05-24  1492     case SG_IO:
c5ad643d Douglas Gilbert   2019-05-24  1493             return 
sg_ctl_sg_io(filp, sdp, sfp, p);
c5ad643d Douglas Gilbert   2019-05-24  1494     case SG_GET_SCSI_ID:
c5ad643d Douglas Gilbert   2019-05-24  1495             return 
sg_ctl_scsi_id(sdev, sdp, p);
^1da177e Linus Torvalds    2005-04-16  1496     case SG_SET_FORCE_PACK_ID:
c5ad643d Douglas Gilbert   2019-05-24  1497             SG_LOG(3, sdp, "%s:    
SG_SET_FORCE_PACK_ID\n", __func__);
^1da177e Linus Torvalds    2005-04-16  1498             result = get_user(val, 
ip);
^1da177e Linus Torvalds    2005-04-16  1499             if (result)
^1da177e Linus Torvalds    2005-04-16  1500                     return result;
c5ad643d Douglas Gilbert   2019-05-24  1501             
assign_bit(SG_FFD_FORCE_PACKID, sfp->ffd_bm, !!val);
^1da177e Linus Torvalds    2005-04-16  1502             return 0;
c5ad643d Douglas Gilbert   2019-05-24  1503     case SG_GET_PACK_ID:    /* or 
tag of oldest "read"-able, -1 if none */
c5ad643d Douglas Gilbert   2019-05-24  1504             rcu_read_lock();
c5ad643d Douglas Gilbert   2019-05-24  1505             val = -1;
c5ad643d Douglas Gilbert   2019-05-24  1506             
list_for_each_entry_rcu(srp, &sfp->rq_list, rq_entry) {
c5ad643d Douglas Gilbert   2019-05-24  1507                     if 
(SG_RS_AWAIT_READ(srp) &&
c5ad643d Douglas Gilbert   2019-05-24  1508                         
!test_bit(SG_FRQ_SYNC_INVOC, srp->frq_bm)) {
c5ad643d Douglas Gilbert   2019-05-24  1509                             val = 
srp->pack_id;
c5ad643d Douglas Gilbert   2019-05-24  1510                             break;
^1da177e Linus Torvalds    2005-04-16  1511                     }
^1da177e Linus Torvalds    2005-04-16  1512             }
c5ad643d Douglas Gilbert   2019-05-24  1513             rcu_read_unlock();
c5ad643d Douglas Gilbert   2019-05-24  1514             SG_LOG(3, sdp, "%s:    
SG_GET_PACK_ID=%d\n", __func__, val);
c5ad643d Douglas Gilbert   2019-05-24  1515             return put_user(val, 
ip);
^1da177e Linus Torvalds    2005-04-16  1516     case SG_GET_NUM_WAITING:
c5ad643d Douglas Gilbert   2019-05-24  1517             /* SG_GET_NUM_WAITING + 
num_inflight == SG_SEIRV_SUBMITTED */
c5ad643d Douglas Gilbert   2019-05-24  1518             val = 
atomic_read(&sfp->waiting);
c5ad643d Douglas Gilbert   2019-05-24  1519             SG_LOG(3, sdp, "%s:    
SG_GET_NUM_WAITING=%d\n", __func__,
c5ad643d Douglas Gilbert   2019-05-24  1520                    val);
^1da177e Linus Torvalds    2005-04-16  1521             return put_user(val, 
ip);
^1da177e Linus Torvalds    2005-04-16  1522     case SG_GET_SG_TABLESIZE:
c5ad643d Douglas Gilbert   2019-05-24  1523             SG_LOG(3, sdp, "%s:    
SG_GET_SG_TABLESIZE=%d\n", __func__,
c5ad643d Douglas Gilbert   2019-05-24  1524                    
sdp->max_sgat_elems);
c5ad643d Douglas Gilbert   2019-05-24  1525             return 
put_user(sdp->max_sgat_elems, ip);
^1da177e Linus Torvalds    2005-04-16  1526     case SG_SET_RESERVED_SIZE:
1bc0eb04 Hannes Reinecke   2017-04-07  1527             
mutex_lock(&sfp->f_mutex);
c5ad643d Douglas Gilbert   2019-05-24  1528             result = get_user(val, 
ip);
c5ad643d Douglas Gilbert   2019-05-24  1529             if (!result) {
c5ad643d Douglas Gilbert   2019-05-24  1530                     if (val >= 0 && 
val <= (1024 * 1024 * 1024)) {
c5ad643d Douglas Gilbert   2019-05-24  1531                             result 
= sg_set_reserved_sz(sfp, val);
c5ad643d Douglas Gilbert   2019-05-24  1532                     } else {
c5ad643d Douglas Gilbert   2019-05-24  1533                             
SG_LOG(3, sdp, "%s: invalid size\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1534                             result 
= -EINVAL;
1bc0eb04 Hannes Reinecke   2017-04-07  1535                     }
^1da177e Linus Torvalds    2005-04-16  1536             }
1bc0eb04 Hannes Reinecke   2017-04-07  1537             
mutex_unlock(&sfp->f_mutex);
c5ad643d Douglas Gilbert   2019-05-24  1538             return result;
^1da177e Linus Torvalds    2005-04-16  1539     case SG_GET_RESERVED_SIZE:
c5ad643d Douglas Gilbert   2019-05-24  1540             
mutex_lock(&sfp->f_mutex);
c5ad643d Douglas Gilbert   2019-05-24  1541             val = min_t(int, 
sfp->rsv_srp->sgat_h.buflen,
c5ad643d Douglas Gilbert   2019-05-24  1542                         
sdp->max_sgat_sz);
c5ad643d Douglas Gilbert   2019-05-24  1543             SG_LOG(3, sdp, "%s:    
SG_GET_RESERVED_SIZE=%d\n",
c5ad643d Douglas Gilbert   2019-05-24  1544                    __func__, val);
c5ad643d Douglas Gilbert   2019-05-24  1545             result = put_user(val, 
ip);
c5ad643d Douglas Gilbert   2019-05-24  1546             
mutex_unlock(&sfp->f_mutex);
c5ad643d Douglas Gilbert   2019-05-24  1547             return result;
^1da177e Linus Torvalds    2005-04-16  1548     case SG_SET_COMMAND_Q:
c5ad643d Douglas Gilbert   2019-05-24  1549             SG_LOG(3, sdp, "%s:    
SG_SET_COMMAND_Q\n", __func__);
^1da177e Linus Torvalds    2005-04-16  1550             result = get_user(val, 
ip);
^1da177e Linus Torvalds    2005-04-16  1551             if (result)
^1da177e Linus Torvalds    2005-04-16  1552                     return result;
c5ad643d Douglas Gilbert   2019-05-24  1553             
assign_bit(SG_FFD_CMD_Q, sfp->ffd_bm, !!val);
^1da177e Linus Torvalds    2005-04-16  1554             return 0;
^1da177e Linus Torvalds    2005-04-16  1555     case SG_GET_COMMAND_Q:
c5ad643d Douglas Gilbert   2019-05-24  1556             SG_LOG(3, sdp, "%s:    
SG_GET_COMMAND_Q\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1557             return 
put_user(test_bit(SG_FFD_CMD_Q, sfp->ffd_bm), ip);
^1da177e Linus Torvalds    2005-04-16  1558     case SG_SET_KEEP_ORPHAN:
c5ad643d Douglas Gilbert   2019-05-24  1559             SG_LOG(3, sdp, "%s:    
SG_SET_KEEP_ORPHAN\n", __func__);
^1da177e Linus Torvalds    2005-04-16  1560             result = get_user(val, 
ip);
^1da177e Linus Torvalds    2005-04-16  1561             if (result)
^1da177e Linus Torvalds    2005-04-16  1562                     return result;
c5ad643d Douglas Gilbert   2019-05-24  1563             
assign_bit(SG_FFD_KEEP_ORPHAN, sfp->ffd_bm, !!val);
^1da177e Linus Torvalds    2005-04-16  1564             return 0;
^1da177e Linus Torvalds    2005-04-16  1565     case SG_GET_KEEP_ORPHAN:
c5ad643d Douglas Gilbert   2019-05-24  1566             SG_LOG(3, sdp, "%s:    
SG_GET_KEEP_ORPHAN\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1567             return 
put_user(test_bit(SG_FFD_KEEP_ORPHAN, sfp->ffd_bm),
c5ad643d Douglas Gilbert   2019-05-24  1568                             ip);
c5ad643d Douglas Gilbert   2019-05-24  1569     case SG_GET_VERSION_NUM:
c5ad643d Douglas Gilbert   2019-05-24  1570             SG_LOG(3, sdp, "%s:    
SG_GET_VERSION_NUM\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1571             return 
put_user(sg_version_num, ip);
c5ad643d Douglas Gilbert   2019-05-24  1572     case SG_GET_REQUEST_TABLE:
c5ad643d Douglas Gilbert   2019-05-24  1573             return 
sg_ctl_req_tbl(sfp, p);
c5ad643d Douglas Gilbert   2019-05-24  1574     case SG_SCSI_RESET:
c5ad643d Douglas Gilbert   2019-05-24  1575             SG_LOG(3, sdp, "%s:    
SG_SCSI_RESET\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1576             check_detach = true;
c5ad643d Douglas Gilbert   2019-05-24  1577             break;
c5ad643d Douglas Gilbert   2019-05-24  1578     case SG_SET_TIMEOUT:
c5ad643d Douglas Gilbert   2019-05-24  1579             SG_LOG(3, sdp, "%s:    
SG_SET_TIMEOUT\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1580             result = get_user(val, 
ip);
c5ad643d Douglas Gilbert   2019-05-24  1581             if (result)
c5ad643d Douglas Gilbert   2019-05-24  1582                     return result;
c5ad643d Douglas Gilbert   2019-05-24  1583             if (val < 0)
c5ad643d Douglas Gilbert   2019-05-24  1584                     return -EIO;
c5ad643d Douglas Gilbert   2019-05-24  1585             if (val >= 
mult_frac((s64)INT_MAX, USER_HZ, HZ))
c5ad643d Douglas Gilbert   2019-05-24  1586                     val = 
min_t(s64, mult_frac((s64)INT_MAX, USER_HZ, HZ),
c5ad643d Douglas Gilbert   2019-05-24  1587                                 
INT_MAX);
c5ad643d Douglas Gilbert   2019-05-24  1588             sfp->timeout_user = val;
c5ad643d Douglas Gilbert   2019-05-24  1589             sfp->timeout = 
mult_frac(val, HZ, USER_HZ);
c5ad643d Douglas Gilbert   2019-05-24  1590             return 0;
c5ad643d Douglas Gilbert   2019-05-24  1591     case SG_GET_TIMEOUT:    /* N.B. 
User receives timeout as return value */
c5ad643d Douglas Gilbert   2019-05-24  1592                             /* 
strange ..., for backward compatibility */
c5ad643d Douglas Gilbert   2019-05-24  1593             SG_LOG(3, sdp, "%s:    
SG_GET_TIMEOUT\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1594             return 
sfp->timeout_user;
c5ad643d Douglas Gilbert   2019-05-24  1595     case SG_SET_FORCE_LOW_DMA:
c5ad643d Douglas Gilbert   2019-05-24  1596             /*
c5ad643d Douglas Gilbert   2019-05-24  1597              * N.B. This ioctl 
never worked properly, but failed to
c5ad643d Douglas Gilbert   2019-05-24  1598              * return an error 
value. So returning '0' to keep
c5ad643d Douglas Gilbert   2019-05-24  1599              * compatibility with 
legacy applications.
c5ad643d Douglas Gilbert   2019-05-24  1600              */
c5ad643d Douglas Gilbert   2019-05-24  1601             SG_LOG(3, sdp, "%s:    
SG_SET_FORCE_LOW_DMA\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1602             return 0;
c5ad643d Douglas Gilbert   2019-05-24  1603     case SG_GET_LOW_DMA:
c5ad643d Douglas Gilbert   2019-05-24  1604             SG_LOG(3, sdp, "%s:    
SG_GET_LOW_DMA\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1605             return 
put_user((int)sdev->host->unchecked_isa_dma, ip);
c5ad643d Douglas Gilbert   2019-05-24  1606     case SG_NEXT_CMD_LEN:   /* 
active only in v2 interface */
c5ad643d Douglas Gilbert   2019-05-24  1607             SG_LOG(3, sdp, "%s:    
SG_NEXT_CMD_LEN\n", __func__);
^1da177e Linus Torvalds    2005-04-16  1608             result = get_user(val, 
ip);
^1da177e Linus Torvalds    2005-04-16  1609             if (result)
^1da177e Linus Torvalds    2005-04-16  1610                     return result;
bf33f87d peter chang       2017-02-15  1611             if (val > 
SG_MAX_CDB_SIZE)
bf33f87d peter chang       2017-02-15  1612                     return -ENOMEM;
c5ad643d Douglas Gilbert   2019-05-24  1613             
mutex_lock(&sfp->f_mutex);
c5ad643d Douglas Gilbert   2019-05-24  1614             sfp->next_cmd_len = 
max_t(int, val, 0);
c5ad643d Douglas Gilbert   2019-05-24  1615             
mutex_unlock(&sfp->f_mutex);
^1da177e Linus Torvalds    2005-04-16  1616             return 0;
^1da177e Linus Torvalds    2005-04-16  1617     case SG_GET_ACCESS_COUNT:
c5ad643d Douglas Gilbert   2019-05-24  1618             SG_LOG(3, sdp, "%s:    
SG_GET_ACCESS_COUNT\n", __func__);
^1da177e Linus Torvalds    2005-04-16  1619             /* faked - we don't 
have a real access count anymore */
c5ad643d Douglas Gilbert   2019-05-24  1620             val = (sdev ? 1 : 0);
^1da177e Linus Torvalds    2005-04-16  1621             return put_user(val, 
ip);
^1da177e Linus Torvalds    2005-04-16  1622     case SG_EMULATED_HOST:
c5ad643d Douglas Gilbert   2019-05-24  1623             SG_LOG(3, sdp, "%s:    
SG_EMULATED_HOST\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1624             if 
(unlikely(atomic_read(&sdp->detaching)))
^1da177e Linus Torvalds    2005-04-16  1625                     return -ENODEV;
c5ad643d Douglas Gilbert   2019-05-24  1626             return 
put_user(sdev->host->hostt->emulated, ip);
^1da177e Linus Torvalds    2005-04-16  1627     case SCSI_IOCTL_SEND_COMMAND:
c5ad643d Douglas Gilbert   2019-05-24  1628             SG_LOG(3, sdp, "%s:    
SCSI_IOCTL_SEND_COMMAND\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1629             if 
(unlikely(atomic_read(&sdp->detaching)))
^1da177e Linus Torvalds    2005-04-16  1630                     return -ENODEV;
c5ad643d Douglas Gilbert   2019-05-24  1631             return 
sg_scsi_ioctl(sdev->request_queue, NULL,
c5ad643d Douglas Gilbert   2019-05-24  1632                                  
filp->f_mode, p);
^1da177e Linus Torvalds    2005-04-16  1633     case SG_SET_DEBUG:
c5ad643d Douglas Gilbert   2019-05-24  1634             SG_LOG(3, sdp, "%s:    
SG_SET_DEBUG\n", __func__);
^1da177e Linus Torvalds    2005-04-16  1635             result = get_user(val, 
ip);
^1da177e Linus Torvalds    2005-04-16  1636             if (result)
^1da177e Linus Torvalds    2005-04-16  1637                     return result;
c5ad643d Douglas Gilbert   2019-05-24  1638             sdp->sgdebug = (u8)val;
^1da177e Linus Torvalds    2005-04-16  1639             return 0;
44ec9542 Alan Stern        2007-02-20  1640     case BLKSECTGET:
c5ad643d Douglas Gilbert   2019-05-24  1641             SG_LOG(3, sdp, "%s:    
BLKSECTGET\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1642             return 
put_user(max_sectors_bytes(sdev->request_queue), ip);
6da127ad Christof Schmitt  2008-01-11  1643     case BLKTRACESETUP:
c5ad643d Douglas Gilbert   2019-05-24  1644             SG_LOG(3, sdp, "%s:    
BLKTRACESETUP\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1645             return 
blk_trace_setup(sdev->request_queue,
6da127ad Christof Schmitt  2008-01-11  1646                                    
sdp->disk->disk_name,
76e3a19d Martin Peschke    2009-01-30  1647                                    
MKDEV(SCSI_GENERIC_MAJOR, sdp->index),
7475c8ae Bart Van Assche   2017-08-25  1648                                    
NULL, p);
6da127ad Christof Schmitt  2008-01-11  1649     case BLKTRACESTART:
c5ad643d Douglas Gilbert   2019-05-24  1650             SG_LOG(3, sdp, "%s:    
BLKTRACESTART\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1651             return 
blk_trace_startstop(sdev->request_queue, 1);
6da127ad Christof Schmitt  2008-01-11  1652     case BLKTRACESTOP:
c5ad643d Douglas Gilbert   2019-05-24  1653             SG_LOG(3, sdp, "%s:    
BLKTRACESTOP\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1654             return 
blk_trace_startstop(sdev->request_queue, 0);
6da127ad Christof Schmitt  2008-01-11  1655     case BLKTRACETEARDOWN:
c5ad643d Douglas Gilbert   2019-05-24  1656             SG_LOG(3, sdp, "%s:    
BLKTRACETEARDOWN\n", __func__);
c5ad643d Douglas Gilbert   2019-05-24  1657             return 
blk_trace_remove(sdev->request_queue);
906d15fb Christoph Hellwig 2014-10-11  1658     case SCSI_IOCTL_GET_IDLUN:
c5ad643d Douglas Gilbert   2019-05-24  1659             SG_LOG(3, sdp, "%s:    
SCSI_IOCTL_GET_IDLUN %s\n", __func__,
c5ad643d Douglas Gilbert   2019-05-24  1660                    pmlp);
c5ad643d Douglas Gilbert   2019-05-24  1661             check_detach = true;
c5ad643d Douglas Gilbert   2019-05-24  1662             break;
906d15fb Christoph Hellwig 2014-10-11  1663     case SCSI_IOCTL_GET_BUS_NUMBER:
c5ad643d Douglas Gilbert   2019-05-24  1664             SG_LOG(3, sdp, "%s:    
SCSI_IOCTL_GET_BUS_NUMBER%s\n",
c5ad643d Douglas Gilbert   2019-05-24  1665                    __func__, pmlp);
c5ad643d Douglas Gilbert   2019-05-24  1666             check_detach = true;
c5ad643d Douglas Gilbert   2019-05-24  1667             break;
906d15fb Christoph Hellwig 2014-10-11  1668     case SCSI_IOCTL_PROBE_HOST:
c5ad643d Douglas Gilbert   2019-05-24  1669             SG_LOG(3, sdp, "%s:    
SCSI_IOCTL_PROBE_HOST%s\n", __func__,
c5ad643d Douglas Gilbert   2019-05-24  1670                    pmlp);
c5ad643d Douglas Gilbert   2019-05-24  1671             check_detach = true;
c5ad643d Douglas Gilbert   2019-05-24  1672             break;
906d15fb Christoph Hellwig 2014-10-11  1673     case SG_GET_TRANSFORM:
c5ad643d Douglas Gilbert   2019-05-24  1674             SG_LOG(3, sdp, "%s:    
SG_GET_TRANSFORM%s\n", __func__, pmlp);
c5ad643d Douglas Gilbert   2019-05-24  1675             check_detach = true;
c5ad643d Douglas Gilbert   2019-05-24  1676             break;
c5ad643d Douglas Gilbert   2019-05-24  1677     case SG_SET_TRANSFORM:
c5ad643d Douglas Gilbert   2019-05-24  1678             SG_LOG(3, sdp, "%s:    
SG_SET_TRANSFORM%s\n", __func__, pmlp);
c5ad643d Douglas Gilbert   2019-05-24  1679             check_detach = true;
906d15fb Christoph Hellwig 2014-10-11  1680             break;
^1da177e Linus Torvalds    2005-04-16  1681     default:
c5ad643d Douglas Gilbert   2019-05-24  1682             SG_LOG(3, sdp, "%s:    
unrecognized ioctl [0x%x]%s\n",
c5ad643d Douglas Gilbert   2019-05-24  1683                    __func__, 
cmd_in, pmlp);
^1da177e Linus Torvalds    2005-04-16  1684             if (read_only)
c5ad643d Douglas Gilbert   2019-05-24  1685                     return -EPERM;  
/* don't know, so take safer approach */
906d15fb Christoph Hellwig 2014-10-11  1686             break;
^1da177e Linus Torvalds    2005-04-16  1687     }
906d15fb Christoph Hellwig 2014-10-11  1688  
c5ad643d Douglas Gilbert   2019-05-24  1689     if (check_detach) {
c5ad643d Douglas Gilbert   2019-05-24  1690             if 
(unlikely(atomic_read(&sdp->detaching)))
c5ad643d Douglas Gilbert   2019-05-24  1691                     return -ENODEV;
c5ad643d Douglas Gilbert   2019-05-24  1692     }
c5ad643d Douglas Gilbert   2019-05-24  1693     result = 
sg_allow_if_err_recovery(sdp, (filp->f_flags & O_NDELAY));
906d15fb Christoph Hellwig 2014-10-11  1694     if (result)
906d15fb Christoph Hellwig 2014-10-11  1695             return result;
c5ad643d Douglas Gilbert   2019-05-24  1696     /* ioctl that reach here are 
forwarded to the mid-level */
c5ad643d Douglas Gilbert   2019-05-24  1697     return scsi_ioctl(sdev, cmd_in, 
p);
^1da177e Linus Torvalds    2005-04-16 @1698  }
^1da177e Linus Torvalds    2005-04-16  1699  

:::::: The code at line 1698 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torva...@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torva...@ppc970.osdl.org>

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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