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Bart Van Assche 08965c2eba Revert "sd: remove __data_len hack for WRITE SAME" 
This patch reverts commit f80de881d8 and avoids that sending a
WRITE SAME command to the iSCSI initiator triggers the following:

BUG: unable to handle kernel NULL pointer dereference at 0000000000000014
TARGET_CORE[iSCSI]: Expected Transfer Length: 260096 does not match SCSI CDB Length: 512 for SAM Opcode: 0x41
IP: iscsi_tcp_segment_done+0x20b/0x310 [libiscsi_tcp]

Oops: 0000 [#1] SMP
Modules linked in: target_core_user uio target_core_iblock target_core_file iscsi_target_mod target_core_mod netconsole configfs crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 crypto_simd cryptd glue_helper virtio_console virtio_rng virtio_balloon serio_raw i2c_piix4 acpi_cpufreq button iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ext4 jbd2 mbcache virtio_blk virtio_net psmouse floppy drm_kms_helper syscopyarea
sysfillrect sysimgblt fb_sys_fops ttm drm virtio_pci
CPU: 2 PID: 5 Comm: kworker/u8:0 Not tainted 4.10.0-rc5-debug+ #3
Workqueue: iscsi_q_0 iscsi_xmitworker [libiscsi]
RIP: 0010:iscsi_tcp_segment_done+0x20b/0x310 [libiscsi_tcp]
Call Trace:
 iscsi_sw_tcp_xmit_segment+0x84/0x120 [iscsi_tcp]
 iscsi_sw_tcp_pdu_xmit+0x51/0x180 [iscsi_tcp]
 iscsi_tcp_task_xmit+0xb3/0x290 [libiscsi_tcp]
 iscsi_xmit_task+0x4e/0xc0 [libiscsi]
 iscsi_xmitworker+0x243/0x330 [libiscsi]
 process_one_work+0x1d8/0x4b0
 worker_thread+0x49/0x4a0
 kthread+0x102/0x140

Fixes: f80de881d8 ("sd: remove __data_len hack for WRITE SAME")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Jens Axboe <axboe@fb.com>
Cc: Lee Duncan <lduncan@suse.com>
Cc: Chris Leech <cleech@redhat.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
 		2017-01-26 10:01:20 -07:00
..
aacraid Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
aic7xxx treewide: Fix printk() message errors 2016-12-14 10:54:27 +01:00
aic94xx scsi: aic94xx: Add a missing call to kfree 2016-11-29 11:21:49 -05:00
arcmsr Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
arm scsi: ncr5380: Use correct types for DMA routines 2016-11-08 17:29:48 -05:00
be2iscsi SCSI misc on 20161213 2016-12-14 10:49:33 -08:00
bfa Merge remote-tracking branch 'mkp-scsi/fixes' into fixes 2017-01-17 17:32:54 -05:00
bnx2fc scsi/bnx2fc: Convert to hotplug state machine 2016-12-25 10:47:42 +01:00
bnx2i scsi/bnx2i: Convert to hotplug state machine 2016-12-25 10:47:43 +01:00
csiostor scsi: csiostor: Fix completion usage 2016-09-14 13:19:15 -04:00
cxgbi scsi: libcxgbi: return error if interface is not up 2016-12-14 15:11:53 -05:00
cxlflash scsi: cxlflash: Migrate scsi command pointer to AFU command 2016-11-30 19:53:02 -05:00
device_handler SCSI misc on 20161213 2016-12-14 10:49:33 -08:00
dpt
…
esas2r scsi: esas2r: don't reinitialize adapter's req_table 2016-08-25 22:28:17 -04:00
fcoe scsi: libfc: Remove fc_rport_init() 2016-11-08 17:29:56 -05:00
fnic scsi: fnic: Avoid sending reset to firmware when another reset is in progress 2017-01-05 20:41:31 -05:00
hisi_sas scsi: hisi_sas: support deferred probe for v2 hw 2016-12-07 18:55:58 -05:00
ibmvscsi scsi: ibmvscsi: add write memory barrier to CRQ processing 2016-12-08 17:04:25 -05:00
ibmvscsi_tgt ibmvscsis: Fix sleeping in interrupt context 2017-01-17 09:42:29 -08:00
isci scsi: isci: switch to pci_alloc_irq_vectors 2016-12-01 08:36:17 -05:00
libfc SCSI misc on 20161213 2016-12-14 10:49:33 -08:00
libsas SCSI misc on 20160727 2016-07-27 14:48:37 -07:00
lpfc scsi: lpfc: Set elsiocb contexts to NULL after freeing it 2017-01-17 14:14:32 -05:00
megaraid Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
mpt3sas scsi: mpt3sas: fix hang on ata passthrough commands 2017-01-17 14:36:57 -05:00
mvsas SCSI misc on 20161213 2016-12-14 10:49:33 -08:00
osd block: split out request-only flags into a new namespace 2016-10-28 08:45:17 -06:00
pcmcia scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
pm8001 scsi: pm8001: Mark symbols static where possible 2016-09-26 21:10:45 -04:00
qedi Merge remote-tracking branch 'mkp-scsi/4.10/scsi-fixes' into fixes 2016-12-26 20:32:48 -08:00
qla2xxx Merge branch 'scsi-target-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/bvanassche/linux 2017-01-20 14:17:04 -08:00
qla4xxx scsi: qla4xxx: switch to pci_alloc_irq_vectors 2016-12-07 18:58:58 -05:00
smartpqi scsi: smartpqi: switch to pci_alloc_irq_vectors 2016-11-08 17:30:00 -05:00
snic scsi: snic: Return error code on memory allocation failure 2017-01-05 20:45:42 -05:00
sym53c8xx_2 scsi: sym53c8xx_2: Use complete() instead complete_all() 2016-09-14 13:19:29 -04:00
ufs ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
.gitignore
…
3w-9xxx.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
3w-9xxx.h scsi: Update 3ware driver email addresses 2016-12-14 15:25:12 -05:00
3w-sas.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
3w-sas.h scsi: Update 3ware driver email addresses 2016-12-14 15:25:12 -05:00
3w-xxxx.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
3w-xxxx.h scsi: Update 3ware driver email addresses 2016-12-14 15:25:12 -05:00
53c700.c scsi: remove current_cmnd field from struct scsi_device 2016-07-13 22:33:23 -04:00
53c700.h scsi: remove current_cmnd field from struct scsi_device 2016-07-13 22:33:23 -04:00
53c700.scr
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53c700_d.h_shipped
…
BusLogic.c scsi: replace seq_printf with seq_puts 2015-02-02 09:57:45 -08:00
BusLogic.h
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FlashPoint.c FlashPoint: fix build warning 2015-11-09 16:32:14 -08:00
Kconfig scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework. 2016-12-14 14:56:28 -05:00
Makefile scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework. 2016-12-14 14:56:28 -05:00
NCR53c406a.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
NCR5380.c scsi: g_NCR5380: Use probe_irq_*() for IRQ probing 2016-12-08 16:57:21 -05:00
NCR5380.h scsi: g_NCR5380: Use probe_irq_*() for IRQ probing 2016-12-08 16:57:21 -05:00
NCR_D700.c
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NCR_D700.h
…
NCR_Q720.c
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NCR_Q720.h
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a100u2w.c scsi: a100u2w: trivial typo in printk 2015-08-07 15:03:42 +02:00
a100u2w.h
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a2091.c
…
a2091.h
…
a3000.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
a3000.h
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a4000t.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
advansys.c scsi: advansys: fix build warning for PCI=n 2016-11-08 17:29:58 -05:00
aha152x.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
aha152x.h
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aha1542.c scsi: aha1542: avoid uninitialized variable warnings 2016-02-23 21:27:02 -05:00
aha1542.h aha1542: fix include guard and remove useless changelog 2015-04-09 18:08:31 -07:00
aha1740.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
aha1740.h scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
am53c974.c am53c974: Fix crash during modprobe 2015-04-17 10:13:56 -07:00
atari_scsi.c scsi: ncr5380: Use correct types for DMA routines 2016-11-08 17:29:48 -05:00
atp870u.c atp870u: Introduce atp870_init() 2015-11-25 22:08:55 -05:00
atp870u.h atp870u: Remove scam_on from struct atp_unit 2015-11-25 22:08:52 -05:00
bvme6000_scsi.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
ch.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2015-04-14 09:50:27 -07:00
constants.c scsi: fix upper bounds check of sense key in scsi_sense_key_string() 2016-08-16 00:49:32 -04:00
dc395x.c scsi: print single-character strings with seq_putc 2015-02-02 09:57:46 -08:00
dc395x.h
…
dmx3191d.c scsi: dmx3191d: use module_pci_driver 2016-11-16 20:43:50 -05:00
dpt_i2o.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
dpti.h scsi: use 64-bit LUNs 2014-07-17 22:07:37 +02:00
eata.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
eata_generic.h
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eata_pio.c eata_pio: missing break statement 2016-05-10 22:01:07 -04:00
eata_pio.h
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esp_scsi.c scsi: use host wide tags by default 2015-11-09 17:11:57 -08:00
esp_scsi.h esp_scsi: correctly detect am53c974 2014-11-24 16:13:16 +01:00
fdomain.c scsi: fdomain: drop fdomain_pci_tbl when built-in 2016-02-23 21:27:02 -05:00
fdomain.h
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g_NCR5380.c scsi: g_NCR5380: Autoprobe board IRQ by default 2016-12-08 16:58:22 -05:00
g_NCR5380.h scsi: g_NCR5380: Use probe_irq_*() for IRQ probing 2016-12-08 16:57:21 -05:00
gdth.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
gdth.h
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gdth_ioctl.h
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gdth_proc.c gdth: replace struct timeval with ktime_get_real_seconds() 2016-02-25 21:16:49 -05:00
gdth_proc.h
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gvp11.c
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gvp11.h
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hosts.c SCSI misc on 20161006 2016-10-07 09:28:53 -07:00
hpsa.c scsi: hpsa: remove memory allocate failure message 2016-12-14 15:33:13 -05:00
hpsa.h SCSI misc on 20161213 2016-12-14 10:49:33 -08:00
hpsa_cmd.h scsi: hpsa: Check for vpd support before sending 2016-09-14 14:19:31 -04:00
hptiop.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
hptiop.h hptiop: Support HighPoint RR36xx HBAs and Support SAS tape and SAS media changer 2015-08-12 13:14:57 -07:00
imm.c imm: check parport_claim 2016-02-25 21:10:53 -05:00
imm.h
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initio.c SCSI: initio: remove duplicate module device table 2015-11-20 11:39:03 -05:00
initio.h
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ipr.c scsi: ipr: Fix runaway IRQs when falling back from MSI to LSI 2016-11-30 19:58:04 -05:00
ipr.h scsi: ipr: Use pci_irq_allocate_vectors 2016-11-08 17:29:46 -05:00
ips.c scsi: ips: don't use custom hex_asc_upper[] table 2016-11-08 17:29:57 -05:00
ips.h Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
iscsi_boot_sysfs.c ibft: Expose iBFT acpi header via sysfs 2016-05-16 11:14:29 -04:00
iscsi_tcp.c scsi_tcp: block BH in TCP callbacks 2016-05-19 11:36:49 -07:00
iscsi_tcp.h iscsi_tcp: Use ahash 2016-01-27 20:36:10 +08:00
jazz_esp.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
lasi700.c
…
libiscsi.c scsi: libiscsi: Fix locking in __iscsi_conn_send_pdu 2016-10-17 13:34:44 -04:00
libiscsi_tcp.c iscsi_tcp: Use ahash 2016-01-27 20:36:10 +08:00
mac53c94.c PCI: Remove includes of asm/pci-bridge.h 2016-02-05 16:29:28 -06:00
mac53c94.h
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mac_esp.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
mac_scsi.c scsi: ncr5380: Use correct types for DMA routines 2016-11-08 17:29:48 -05:00
megaraid.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
megaraid.h
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mesh.c PCI: Remove includes of asm/pci-bridge.h 2016-02-05 16:29:28 -06:00
mesh.h
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mvme16x_scsi.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
mvme147.c
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mvme147.h
…
mvumi.c scsi: mvumi: use __maybe_unused to hide pm functions 2016-03-05 17:07:46 -05:00
mvumi.h
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ncr53c8xx.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
ncr53c8xx.h scsi: Remove CONFIG_SCSI_MULTI_LUN 2014-07-17 22:07:35 +02:00
nsp32.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
nsp32.h
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nsp32_debug.c
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nsp32_io.h
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osst.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
osst.h
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osst_detect.h
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osst_options.h
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pmcraid.c SCSI misc on 20161213 2016-12-14 10:49:33 -08:00
pmcraid.h
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ppa.c scsi: ppa: use new parport device model 2016-02-23 21:27:02 -05:00
ppa.h
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ps3rom.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
qla1280.c qla1280: Don't allocate 512kb of host tags 2016-04-30 09:25:26 -07:00
qla1280.h
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qlogicfas.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
qlogicfas408.c
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qlogicfas408.h
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qlogicpti.c qlogicpti: Return correct error code 2016-03-01 20:06:49 -05:00
qlogicpti.h qlogicpti: Fix compiler warnings 2016-11-28 15:51:31 -05:00
raid_class.c
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script_asm.pl
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scsi.c block: add code to track actual device queue depth 2016-11-05 17:09:53 -06:00
scsi.h
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scsi_common.c scsi: add scsi_set_sense_field_pointer() 2016-04-04 12:07:42 -04:00
scsi_debug.c ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
scsi_devinfo.c scsi: scsi_devinfo: remove synchronous ALUA for NETAPP devices 2016-12-07 18:13:52 -05:00
scsi_dh.c scsi: Replace wrong device handler name for CLARiiON arrays 2016-10-11 17:56:51 -04:00
scsi_error.c block: split out request-only flags into a new namespace 2016-10-28 08:45:17 -06:00
scsi_ioctl.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
scsi_lib.c Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2017-01-14 17:07:04 -08:00
scsi_lib_dma.c
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scsi_logging.c scsi_logging: return void for dev_printk() functions 2015-02-04 08:00:24 -08:00
scsi_logging.h scsi: simplify scsi_log_(send|completion) 2014-11-12 11:16:05 +01:00
scsi_module.c
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scsi_netlink.c net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-04-24 13:44:54 -04:00
scsi_pm.c scsi: Set request queue runtime PM status back to active on resume 2016-02-19 10:52:45 -05:00
scsi_priv.h SCSI misc on 20161006 2016-10-07 09:28:53 -07:00
scsi_proc.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
scsi_sas_internal.h scsi_transport_sas: add 'scsi_target_id' sysfs attribute 2016-03-14 21:05:04 -04:00
scsi_scan.c scsi: Remove one useless stack variable 2016-10-11 18:02:09 -04:00
scsi_sysctl.c scsi: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
scsi_sysfs.c scsi: avoid a permanent stop of the scsi device's request queue 2016-12-14 15:51:17 -05:00
scsi_trace.c scsi-trace: define ZBC_IN and ZBC_OUT 2016-04-11 16:57:09 -04:00
scsi_transport_api.h
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scsi_transport_fc.c scsi: fc: move FC transport's bsg code to bsg-lib 2016-11-17 20:15:26 -05:00
scsi_transport_iscsi.c scsi_transport_iscsi: Declare local symbols static 2016-04-11 16:57:09 -04:00
scsi_transport_sas.c scsi: sas: remove is_sas_attached() 2016-08-18 22:23:20 -04:00
scsi_transport_spi.c [SCSI] Fix printk typos in drivers/scsi 2015-08-07 14:28:45 +02:00
scsi_transport_srp.c scsi: srp_transport: Move queuecommand() wait code to SCSI core 2016-11-29 11:21:27 -05:00
scsi_typedefs.h
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scsicam.c scsi: PC partition tables are little endian 2014-11-12 11:15:54 +01:00
sd.c Revert "sd: remove __data_len hack for WRITE SAME" 2017-01-26 10:01:20 -07:00
sd.h sd: Implement support for ZBC devices 2016-10-18 19:49:11 -06:00
sd_dif.c scsi: sd: Move DIF protection types to t10-pi.h 2016-09-15 09:51:14 -04:00
sd_zbc.c sd_zbc: Force use of READ16/WRITE16 2016-11-14 13:16:42 -07:00
sense_codes.h scsi: move Additional Sense Codes to separate file 2016-04-11 16:57:09 -04:00
ses.c scsi: ses: Fix SAS device detection in enclosure 2017-01-17 13:58:57 -05:00
sg.c sg_write()/bsg_write() is not fit to be called under KERNEL_DS 2016-12-22 23:03:42 -05:00
sgiwd93.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
sim710.c scsi: sim710: fix build warning 2016-02-23 21:27:02 -05:00
sni_53c710.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
sr.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
sr.h scsi: introduce sdev_prefix_printk() 2014-11-12 11:15:57 +01:00
sr_ioctl.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
sr_vendor.c scsi: Implement sr_printk() 2014-07-17 22:07:39 +02:00
st.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
st.h st: Remove obsolete scsi_tape.max_pfn 2015-11-18 11:59:09 -05:00
st_options.h
…
stex.c stex: Add S3/S4 support 2016-02-23 21:27:02 -05:00
storvsc_drv.c scsi: storvsc: Payload buffer incorrectly sized for 32 bit kernels. 2016-11-30 11:38:24 -05:00
sun3_scsi.c scsi: ncr5380: Use correct types for DMA routines 2016-11-08 17:29:48 -05:00
sun3_scsi.h sun3_scsi: Move macro definitions 2014-11-20 09:11:15 +01:00
sun3_scsi_vme.c scsi/NCR5380: merge sun3_scsi_vme.c into sun3_scsi.c 2014-05-28 12:16:28 +02:00
sun3x_esp.c arch, drivers: don't include <asm/io.h> directly, use <linux/io.h> instead 2015-08-10 23:07:05 -04:00
sun_esp.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
sym53c416.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
sym53c416.h
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virtio_scsi.c SCSI misc on 20161006 2016-10-07 09:28:53 -07:00
vmw_pvscsi.c scsi: vmw_pvscsi: return SUCCESS for successful command aborts 2016-11-01 13:31:23 -04:00
vmw_pvscsi.h scsi: vmw_pvscsi: return SUCCESS for successful command aborts 2016-11-01 13:31:23 -04:00
wd33c93.c scsi: print single-character strings with seq_putc 2015-02-02 09:57:46 -08:00
wd33c93.h
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wd719x.c drivers/scsi/wd719x.c: remove last declaration using DEFINE_PCI_DEVICE_TABLE 2016-09-01 17:52:01 -07:00
wd719x.h scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
xen-scsifront.c xen/scsifront: don't request a slot on the ring until request is ready 2016-12-09 10:59:13 +01:00
zalon.c
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zorro7xx.c
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