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* [SCSI] sd: Fix potential out-of-bounds accessAlan Stern2013-09-111-8/+3
| | | | | | | | | | | | | This patch fixes an out-of-bounds error in sd_read_cache_type(), found by Google's AddressSanitizer tool. When the loop ends, we know that "offset" lies beyond the end of the data in the buffer, so no Caching mode page was found. In theory it may be present, but the buffer size is limited to 512 bytes. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Reported-by: Dmitry Vyukov <dvyukov@google.com> CC: <stable@vger.kernel.org> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Update lpfc version to driver version 8.3.42James Smart2013-09-111-1/+1
| | | | | Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fixed issue of task management commands having a fixed ↵James Smart2013-09-113-1/+10
| | | | | | | timeout Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fixed inconsistent spin lock usage.James Smart2013-09-112-18/+16
| | | | | Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fix driver's abort loop functionality to skip IOs ↵James Smart2013-09-112-1/+14
| | | | | | | already getting aborted Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fixed failure to allocate SCSI buffer on PPC64 platform ↵James Smart2013-09-111-3/+6
| | | | | | | for SLI4 devices Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fix WARN_ON when driver unloadsJames Smart2013-09-111-2/+8
| | | | | Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Avoided making pci bar ioremap call during dual-chute ↵James Smart2013-09-112-38/+12
| | | | | | | WQ/RQ pci bar selection Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fixed driver iocbq structure's iocb_flag field running ↵James Smart2013-09-112-10/+9
| | | | | | | out of space Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fix crash on driver load due to cpu affinity logicJames Smart2013-09-112-6/+27
| | | | | Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fixed logging format of setting driver sysfs attributes ↵James Smart2013-09-111-2/+4
| | | | | | | hard to interpret Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fixed back to back RSCNs discovery failure.James Smart2013-09-111-1/+9
| | | | | Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fixed race condition between BSG I/O dispatch and ↵James Smart2013-09-112-17/+72
| | | | | | | timeout handling Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fixed function mode field defined too small for not ↵James Smart2013-09-111-1/+1
| | | | | | | recognizing dual-chute mode Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Back out data count,(residual fcfi_parm) fix for bad target.James Smart2013-09-111-3/+3
| | | | | Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fixed mailbox memory leak.James Smart2013-09-111-0/+1
| | | | | Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fix random errors using first burstJames Smart2013-09-111-2/+7
| | | | | Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fixed not able to log informational messages at early ↵James Smart2013-09-111-9/+3
| | | | | | | stage of driver init time Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.42: Fixed using unsafe linked list macro for walking and ↵James Smart2013-09-112-4/+5
| | | | | | | deleting linked list Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] megaraid_sas: addded support for big endian architectureSumit.Saxena@lsi.com2013-09-115-282/+407
| | | | | | | | | | | | | | This patch will add big endian architecture support to megaraid_sas driver. The support added is for LSI MegaRAID all generation controllers- (3Gb/s, 6Gb/s and 12 Gb/s controllers). We have done basic sanity test @ppc64 arch and @x86_64. Additional testing/observations are welcome. [jejb: fix up rejections] Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com> Signed-off-by: Sumit Saxena <sumit.saxena@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] aic7xxx: fix swapped arguments in ahc_find_pci_deviceDave Jones2013-09-101-1/+1
| | | | | | | | | | | | The prototype for ahc_9005_subdevinfo_valid shows that the caller has the arguments in the wrong order. 637 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor, 638 uint16_t subdevice, uint16_t subvendor) Signed-off-by: Dave Jones <davej@fedoraproject.org> Acked-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] hpsa: bump driver version to reflect changesMike Miller2013-09-101-1/+1
| | | | | | | | Changes the version of hpsa so we know something has changed. Please consider this for inclusion. Signed-off-by: Mike Miller <mike.miller@hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] hpsa: housekeeping patch for device_id and product arraysMike Miller2013-09-101-6/+6
| | | | | | | | | This patch does a bit of housekeeping for hpsa. Change lowercase alpha hex digits to uppercase for consistency within the driver. Also moves the P822se in the tables to keep controllers of each family grouped together. Signed-off-by: Mike Miller <mike.miller@hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] hpsa: add HP Smart Array Gen8 namesMike Miller2013-09-101-8/+7
| | | | | | | | Add the marketing names for HP Smart Array Gen8 controllers. Also removes an unused ID. Please consider this for inclusion. Signed-off-by: Mike Miller <mike.miller@hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] hpsa: add HP Smart Array Gen9 PCI ID'sMike Miller2013-09-101-0/+25
| | | | | | | | This patch adds the PCI ID's for HP Smart Array Gen9 controllers. Please consider this patch for inclusion. Signed-off-by: Mike Miller <mike.miller@hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] ufs: configure the attribute for power modeSeungwon Jeon2013-09-072-0/+87
| | | | | | | | | | | | UIC attributes can be set with using DME_SET command for power mode change. For configuration the link capability attributes are used, which is updated after successful link startup. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Santosh Y <santoshsy@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] ufs: add operation for the uic power mode changeSeungwon Jeon2013-09-074-4/+225
| | | | | | | | | | | | Setting PA_PWRMode using DME_SET triggers the power mode change. And then the result will be given by the HCS.UPMCRS. This operation should be done atomically. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Tested-by: Yaniv Gardi <ygardi@codeaurora.org> Signed-off-by: Santosh Y <santoshsy@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] ufs: add dme configuration primitivesSeungwon Jeon2013-09-073-0/+145
| | | | | | | | | | | | | Implements to support GET and SET operations of the DME. These operations are used to configure the behavior of the UNIPRO. Along with basic operation, {Peer/AttrSetType} can be mixed. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Tested-by: Yaniv Gardi <ygardi@codeaurora.org> Signed-off-by: Santosh Y <santoshsy@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] ufs: fix the setting interrupt aggregation counterSeungwon Jeon2013-09-072-30/+27
| | | | | | | | | | | | | | | | IACTH(Interrupt aggregation counter threshold) value is allowed up to 0x1F and current setting value is the maximum. This value is related with NUTRS(max:0x20) of HCI's capability. Considering HCI controller doesn't support the maximum, IACTH setting should be adjusted with possible value. For that, existing 'ufshcd_config_int_aggr' is split into two part [reset, configure]. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Tested-by: Yaniv Gardi <ygardi@codeaurora.org> Signed-off-by: Santosh Y <santoshsy@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] ufs: find out sense data over scsi status valuesSeungwon Jeon2013-09-072-15/+23
| | | | | | | | | | | | | | Unlike 'GOOD' and 'CHECK CONDITION', other status values in Response UPIU may or may not contain sense data. That is returning sense data isn't obvious. So, in this case the Data Segment Length field should be checked. If a non-zero value, it means that UPIU has Sense Data in the Data Segment area. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Tested-by: Yaniv Gardi <ygardi@codeaurora.org> Signed-off-by: Santosh Y <santoshsy@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] megaraid_sas: Version and Changelog updateadam radford2013-09-072-4/+4
| | | | | Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] megaraid_sas: Add High Availability clustering support using shared ↵adam radford2013-09-075-29/+204
| | | | | | | Logical Disks Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] Allow MPT Fusion SAS 3.0 driver to be built into the kernelGreg Kroah-Hartman2013-09-061-1/+1
| | | | | | | | | | Right now the Makefile for the mpt3sas driver does not even allow the driver to be built into the kernel. So fix that up, as there doesn't seem to be any obvious reason why this shouldn't be done. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] ibmvfc: Fix for offlining devices during error recoveryBrian King2013-09-061-2/+13
| | | | | | | | | | | This fixes an issue seen with devices getting marked offline in a scenario where a VIOS was getting rebooted while a client VFC adapter is in SCSI EH and prevents unnecessary EH escalation in some scenarios. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Acked-by: Robert Jennings <rcj@linux.vnet.ibm.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] ibmvscsi: Fix little endian issuesAnton Blanchard2013-09-062-91/+109
| | | | | | | | | The hypervisor is big endian, so little endian kernel builds need to byteswap. [jejb: fix checkpatch errors] Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: Remove null test for stack allocated fw_coredump_bufferBradley Grove2013-09-061-2/+1
| | | | | | Reported-by: Dave Jones <davej@redhat.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: coccinelle - Replace memcpy with struct assignmentBradley Grove2013-09-061-2/+2
| | | | | | Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: smatch - Remove test for impossible condition (uint8 > 255)Bradley Grove2013-09-061-1/+1
| | | | | | Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: smatch - Fix overrun due to sprintf appending NULLBradley Grove2013-09-061-2/+5
| | | | | | Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: smatch - Fix dereference that occurs prior to checkBradley Grove2013-09-062-2/+8
| | | | | | Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] esas2r: smatch - Use biwise rather than logical AND for checking if ↵Bradley Grove2013-09-061-1/+1
| | | | | | | | any bit set Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] sg: push file descriptor list locking down to per-device lockingVaughan Cao2013-09-031-28/+34
| | | | | | | | | | Push file descriptor list locking down to per-device locking. Let sg_index_lock only protect device lookup. sdp->detached is also set and checked with this lock held. Signed-off-by: Vaughan Cao <vaughan.cao@oracle.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] sg: checking sdp->detached isn't protected when openVaughan Cao2013-09-031-8/+9
| | | | | | | | | | @detached is set under the protection of sg_index_lock. Without getting the lock, new sfp will be added during sg removal and there is no chance for it to be picked out. So check with sg_index_lock held in sg_add_sfp(). Signed-off-by: Vaughan Cao <vaughan.cao@oracle.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] sg: no need sg_open_exclusive_lockVaughan Cao2013-09-031-29/+5
| | | | | | | | | Open exclusive check is protected by o_sem, no need sg_open_exclusive_lock. @exclude is used to record which type of rwsem we are holding. Signed-off-by: Vaughan Cao <vaughan.cao@oracle.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] sg: use rwsem to solve race during exclusive openVaughan Cao2013-09-031-38/+41
| | | | | | | | | | | | | | | A race condition may happen if two threads are both trying to open the same sg with O_EXCL simultaneously. It's possible that they both find fsds list is empty and get_exclude(sdp) returns 0, then they both call set_exclude() and break out from wait_event_interruptible and resume open. Now use rwsem to protect this process. Exclusive open gets write lock and others get read lock. The lock will be held until file descriptor is closed. This also leads 'exclude' only a status rather than a check mark. Signed-off-by: Vaughan Cao <vaughan.cao@oracle.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] scsi_debug: fix logical block provisioning support when ↵Akinobu Mita2013-09-031-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | unmap_alignment != 0 Commit b90ebc3d5c41c9164ae04efd2e4f8204c2a186f1 ("[SCSI] scsi_debug: fix logical block provisioning support") fixed several issues with logical block provisioning support, but it still doesn't properly fix the cases when unmap_alignment > 0. For example, load scsi_debug module with the following module parameters and make all blocks mapped by filling the storage with zero. # modprobe scsi_debug lbpu=1 unmap_alignment=1 unmap_granularity=4 # dd if=/dev/zero of=$DEV Then, try to unmap the first unmappable blocks at lba=1, but GET LBA STATUS unexpectedly reports that the last UNMAP has done nothing. # sg_unmap --lba=1 --num=4 $DEV # sg_get_lba_status --lba=1 $DEV descriptor LBA: 0x0000000000000001 blocks: 16383 mapped The problem is in map_index_to_lba(), which should return the first LBA which is corresponding to a given index of provisioning map (map_storep). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: "Martin K. Petersen" <martin.petersen@oracle.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] scsi_debug: fix endianness bug in sdebug_build_parts()Akinobu Mita2013-09-031-2/+2
| | | | | | | | | | | | With module parameter num_parts > 0, partition table is built on the ramdisk storage when loading the driver. Unfortunately, there is an endianness bug in sdebug_build_parts(). So the partition table is not correctly initialized on big-endian systems. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Tested-by: Martin Peschke <mpeschke@linux.vnet.ibm.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: Update the driver version to 8.06.00.08-k.Saurav Kashyap2013-09-031-2/+2
| | | | | | Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: print MAC via %pMR.Andy Shevchenko2013-09-031-4/+1
| | | | | | Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: Correction to message ids.Saurav Kashyap2013-09-034-11/+15
| | | | | | Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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