Mark Rustad 222a806af8 [SCSI] Fix NULL dereferences in scsi_cmd_to_driver ... Avoid crashing if the private_data pointer happens to be NULL. This has been seen sometimes when a host reset happens, notably when there are many LUNs: host3: Assigned Port ID 0c1601 scsi host3: libfc: Host reset succeeded on port (0c1601) BUG: unable to handle kernel NULL pointer dereference at 0000000000000350 IP: [<ffffffff81352bb8>] scsi_send_eh_cmnd+0x58/0x3a0 <snip> Process scsi_eh_3 (pid: 4144, threadinfo ffff88030920c000, task ffff880326b160c0) Stack: 000000010372e6ba 0000000000000282 000027100920dca0 ffffffffa0038ee0 0000000000000000 0000000000030003 ffff88030920dc80 ffff88030920dc80 00000002000e0000 0000000a00004000 ffff8803242f7760 ffff88031326ed80 Call Trace: [<ffffffff8105b590>] ? lock_timer_base+0x70/0x70 [<ffffffff81352fbe>] scsi_eh_tur+0x3e/0xc0 [<ffffffff81353a36>] scsi_eh_test_devices+0x76/0x170 [<ffffffff81354125>] scsi_eh_host_reset+0x85/0x160 [<ffffffff81354291>] scsi_eh_ready_devs+0x91/0x110 [<ffffffff813543fd>] scsi_unjam_host+0xed/0x1f0 [<ffffffff813546a8>] scsi_error_handler+0x1a8/0x200 [<ffffffff81354500>] ? scsi_unjam_host+0x1f0/0x1f0 [<ffffffff8106ec3e>] kthread+0x9e/0xb0 [<ffffffff81509264>] kernel_thread_helper+0x4/0x10 [<ffffffff8106eba0>] ? kthread_freezable_should_stop+0x70/0x70 [<ffffffff81509260>] ? gs_change+0x13/0x13 Code: 25 28 00 00 00 48 89 45 c8 31 c0 48 8b 87 80 00 00 00 48 8d b5 60 ff ff ff 89 d1 48 89 fb 41 89 d6 4c 89 fa 48 8b 80 b8 00 00 00 <48> 8b 80 50 03 00 00 48 8b 00 48 89 85 38 ff ff ff 48 8b 07 4c RIP [<ffffffff81352bb8>] scsi_send_eh_cmnd+0x58/0x3a0 RSP <ffff88030920dc50> CR2: 0000000000000350 Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com> Cc: <stable@kernel.org> Signed-off-by: James Bottomley <JBottomley@Parallels.com>		2012-07-08 09:40:51 +01:00
..
fc	SCSI updates on 20120319	2012-03-22 12:55:29 -07:00
fc_encode.h
fc_frame.h
fcoe_sysfs.h	[SCSI] libfcoe: Add fcoe_sysfs	2012-05-23 09:40:09 +01:00
iscsi_if.h	[SCSI] qla4xxx: Removed packed attr from struct iscsi_chap_rec	2012-03-27 08:26:35 +01:00
iscsi_proto.h	[SCSI] be2iscsi: Get Initiator Name for the iSCSI_Host	2012-04-25 09:29:35 +01:00
Kbuild
libfc.h
libfcoe.h	[SCSI] fcoe, bnx2fc, libfcoe: SW FCoE and bnx2fc use FCoE Syfs	2012-05-23 09:43:13 +01:00
libiscsi.h
libiscsi_tcp.h
libsas.h	[SCSI] libsas: introduce sas_work to fix sas_drain_work vs sas_queue_work	2012-04-23 12:03:39 +01:00
libsrp.h
osd_attributes.h
osd_initiator.h
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
osd_sec.h
osd_sense.h
osd_types.h
sas.h	isci: kill sci_phy_protocol and sci_request_protocol	2012-05-17 12:27:11 -07:00
sas_ata.h	[SCSI] libsas, libata: fix start of life for a sas ata_port	2012-04-23 12:11:47 +01:00
scsi.h	scsi: update scsi.h with SYNCHRONIZE_CACHE_16	2012-02-25 14:37:46 -08:00
scsi_bsg_fc.h
scsi_bsg_iscsi.h
scsi_cmnd.h	[SCSI] Fix NULL dereferences in scsi_cmd_to_driver	2012-07-08 09:40:51 +01:00
scsi_dbg.h
scsi_device.h	SCSI & usb-storage: add try_rc_10_first flag	2012-06-22 22:05:31 -07:00
scsi_devinfo.h
scsi_dh.h
scsi_driver.h
scsi_eh.h
scsi_host.h
scsi_ioctl.h
scsi_netlink.h	headers: include linux/types.h where appropriate	2012-03-23 16:58:31 -07:00
scsi_netlink_fc.h
scsi_scan.h
scsi_tcq.h
scsi_tgt.h
scsi_tgt_if.h
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_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_transport_srp.h
scsicam.h
sg.h
srp.h