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Martin K. Petersen 919f797a4c SCSI: Fix error handling when no ULD is attached 
Commit 18a4d0a22e ("[SCSI] Handle disk devices which can not process
medium access commands") introduced a bug in which we would attempt to
dereference the scsi driver even when the device had no ULD attached.

Ensure that a driver is registered and make the driver accessor function
more resilient to errors during device discovery.

Reported-by: Elric Fu <elricfu1@gmail.com>
Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2012-04-15 11:08:53 -07:00
..
fc SCSI updates on 20120319 2012-03-22 12:55:29 -07:00
Kbuild [SCSI] Unexport scsi/scsi.h from headers_install 2010-05-02 11:45:12 -04:00
fc_encode.h [SCSI] libfc: Add support for FDMI 2012-02-19 08:08:58 -06:00
fc_frame.h [SCSI] fcoe: remove unused ptype field in fcoe_rcv_info 2011-07-28 12:08:55 +04:00
iscsi_if.h [SCSI] qla4xxx: Removed packed attr from struct iscsi_chap_rec 2012-03-27 08:26:35 +01:00
iscsi_proto.h iscsi: Add Serial Number Arithmetic LT and GT into iscsi_proto.h 2011-07-25 07:48:08 +00:00
libfc.h [SCSI] libfc: Add support for FDMI 2012-02-19 08:08:58 -06:00
libfcoe.h [SCSI] libfcoe: Support extra MAC descriptor to be used as FCoE MAC 2012-03-28 09:05:37 +01:00
libiscsi.h [SCSI] libiscsi_tcp: fix max_r2t manipulation 2012-02-19 08:09:00 -06:00
libiscsi_tcp.h [SCSI] libiscsi_tcp: fix max_r2t manipulation 2012-02-19 08:09:00 -06:00
libsas.h [SCSI] libsas: revert ata srst 2012-02-29 15:39:25 -06:00
libsrp.h libsrp: fix compile failure 2009-12-30 12:23:27 -08:00
osd_attributes.h [SCSI] libosd: OSD2r05: Attribute definitions 2009-06-10 08:54:07 -05:00
osd_initiator.h treewide: Fix recieve/receive typos 2011-06-24 11:18:57 +02:00
osd_ore.h BUG: headers with BUG/BUG_ON etc. need linux/bug.h 2012-03-04 17:54:34 -05:00
osd_protocol.h [SCSI] libosd: Support for scatter gather write/read commands 2010-10-26 10:42:34 -05:00
osd_sec.h [SCSI] libosd: OSDv1 Headers 2009-03-12 12:58:06 -05:00
osd_sense.h [SCSI] libosd: osd_sense: OSD_CFO_PERMISSIONS 2009-12-04 12:01:44 -06:00
osd_types.h [SCSI] libosd: Support for scatter gather write/read commands 2010-10-26 10:42:34 -05:00
sas.h [SCSI] libsas: let libata recover links that fail to transmit initial sig-fis 2012-02-29 15:33:02 -06:00
sas_ata.h [SCSI] libsas: async ata scanning 2012-02-29 15:35:41 -06:00
scsi.h scsi: update scsi.h with SYNCHRONIZE_CACHE_16 2012-02-25 14:37:46 -08:00
scsi_bsg_fc.h [SCSI] fc-transport: Use packed modifier for fc_bsg_request structure. 2010-01-17 12:36:33 -06:00
scsi_bsg_iscsi.h [SCSI] iscsi class: add bsg support to iscsi class 2011-08-27 08:36:21 -06:00
scsi_cmnd.h SCSI: Fix error handling when no ULD is attached 2012-04-15 11:08:53 -07:00
scsi_dbg.h [SCSI] Fix device not ready printk 2007-10-12 14:51:56 -04:00
scsi_device.h The following text was taken from the original review request: 2012-03-24 10:41:37 -07:00
scsi_devinfo.h
…
scsi_dh.h [SCSI] scsi_dh: Change the scsidh_activate interface to be asynchronous 2009-12-04 12:00:46 -06:00
scsi_driver.h [SCSI] Handle disk devices which can not process medium access commands 2012-02-19 10:14:52 -06:00
scsi_eh.h [SCSI] scsi_eh_prep_cmnd should save scmd->underflow 2008-07-26 15:14:56 -04:00
scsi_host.h [SCSI] add flag to skip the runtime PM calls on the host 2012-01-08 19:14:57 -05:00
scsi_ioctl.h [PATCH] don't mess with file in scsi_nonblockable_ioctl() 2008-10-21 07:47:28 -04:00
scsi_netlink.h headers: include linux/types.h where appropriate 2012-03-23 16:58:31 -07:00
scsi_netlink_fc.h [SCSI] SCSI & FC transport: extend event vendor id's to 64bits 2006-09-02 15:35:15 -05:00
scsi_scan.h PM/Hibernate: Wait for SCSI devices scan to complete during resume 2009-04-13 11:37:07 -07:00
scsi_tcq.h [SCSI] target: Convert TASK_ATTR to scsi_tcq.h definitions 2011-05-24 13:03:56 -04:00
scsi_tgt.h [SCSI] tgt: add I_T nexus support 2007-10-12 14:37:50 -04:00
scsi_tgt_if.h [SCSI] tgt: add I_T nexus support 2007-10-12 14:37:50 -04:00
scsi_transport.h BUG: headers with BUG/BUG_ON etc. need linux/bug.h 2012-03-04 17:54:34 -05:00
scsi_transport_fc.h [SCSI] scsi_transport_fc: Getting FC Port Speed in sync with FC-GS 2012-02-19 08:08:57 -06:00
scsi_transport_iscsi.h [SCSI] iscsi_transport: Add support to display CHAP list and delete CHAP entry 2012-02-29 16:55:59 -06:00
scsi_transport_sas.h [SCSI] libsas: fix sas_find_local_phy(), take phy references 2012-02-29 13:01:06 -06:00
scsi_transport_spi.h [SCSI] aic79xx: make driver respect nvram for IU and QAS settings 2009-06-15 10:09:35 -05:00
scsi_transport_srp.h [SCSI] tgt: move tsk_mgmt_response callback to transport class 2007-10-12 14:38:01 -04:00
scsicam.h
…
sg.h sysctl extern cleanup: sg 2010-03-12 15:53:10 -08:00
srp.h IB/srp: Implement SRP_CRED_REQ and SRP_AER_REQ 2010-10-22 22:19:10 -07:00