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2011-10-24hwmon: (pmbus) Don't return errors from driver remove functionsGuenter Roeck
Driver remove functions have an error return value, but rarely return an error in practice. If a driver does return an error from its remove function, the driver won't be unloaded and is expected to stay alive. pmbus_do_remove() is defined as returning an int, but always returns 0 (no error). Calling code passes that return value on to high level driver remove functions, but does not evaluate it and removes driver data even if pmbus_do_remove() returned an error (which it in practice never does). Even if this code could never cause a real problem, it is nevertheless conceptually wrong. To reduce confusion and simplify the code, change pmbus_do_remove() to be a void function, and have PMBus client drivers always return zero in their driver remove functions. Reported-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
2011-10-24hwmon: (pmbus) Add comments explaining internal driver API return valuesGuenter Roeck
Return values for functions reading/writing manufacturer specific registers are poorly explained. Add comments to improve documentation. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
2011-10-24hwmon: (w83627ehf) add caseopen detectionDmitry Artamonow
Export caseopen alarm status into userspace for Winbond W83627* and Nuvoton NCT677[56] chips and implement alarm clear attribute. Second caseopen alarm on NCT6776 is also supported. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2011-10-249p: fix 9p.txt to advertise msize instead of maxdataNicolae Mogoreanu
9p.txt advertises that maxdata mount option should be used to specify msize, in the code though we use msize option and completely ignore maxdata if passed Signed-off-by: Nicolae Mogoreanu <mogoreanu@gmail.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-10-24net/9p: Convert net/9p protocol dumps to tracepointsAneesh Kumar K.V
This helps in more control over debugging. root@qemu-img-64:~# ls /pass/123 ls: cannot access /pass/123: No such file or directory root@qemu-img-64:~# cat /sys/kernel/debug/tracing/trace # tracer: nop # # TASK-PID CPU# TIMESTAMP FUNCTION # | | | | | ls-1536 [001] 70.928584: 9p_protocol_dump: clnt 18446612132784021504 P9_TWALK(tag = 1) 000: 16 00 00 00 6e 01 00 01 00 00 00 02 00 00 00 01 010: 00 03 00 31 32 33 00 00 00 ff ff ff ff 00 00 00 ls-1536 [001] 70.928587: <stack trace> => trace_9p_protocol_dump => p9pdu_finalize => p9_client_rpc => p9_client_walk => v9fs_vfs_lookup => d_alloc_and_lookup => walk_component => path_lookupat ls-1536 [000] 70.929696: 9p_protocol_dump: clnt 18446612132784021504 P9_RLERROR(tag = 1) 000: 0b 00 00 00 07 01 00 02 00 00 00 4e 03 00 02 00 010: 00 00 00 00 03 00 02 00 00 00 00 00 ff 43 00 00 ls-1536 [000] 70.929697: <stack trace> => trace_9p_protocol_dump => p9_client_rpc => p9_client_walk => v9fs_vfs_lookup => d_alloc_and_lookup => walk_component => path_lookupat => do_path_lookup Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-10-24fs/9p: change an int to unsigned intDan Carpenter
Without this msize=4294967295 will result in a crash Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-10-24fs/9p: Cleanup option parsing in 9pAneesh Kumar K.V
Instead of saying all integer argument option should be listed in the beginning move integer parsing to each option type. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-10-249p: move dereference after NULL checkDan Carpenter
We dereferenced "req->tc" and "req->rc" before checking for NULL. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-10-24fs/9p: inode file operation is properly initialized init_special_inodeAneesh Kumar K.V
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-10-24fs/9p: Update zero-copy implementation in 9pAneesh Kumar K.V
* remove lot of update to different data structure * add a seperate callback for zero copy request. * above makes non zero copy code path simpler * remove conditionalizing TREAD/TREADDIR/TWRITE in the zero copy path * Fix the dotu p9_check_errors with zero copy. Add sufficient doc around * Add support for both in and output buffers in zero copy callback * pin and unpin pages in the same context * use helpers instead of defining page offset and rest of page ourself * Fix mem leak in p9_check_errors * Remove 'E' and 'F' in p9pdu_vwritef Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-10-24Merge commit 'v3.1' into devicetree/nextGrant Likely
2011-10-24dt: Add empty of_match_node() macroNicolas Ferre
Add an empty macro for of_match_node() that will save some '#ifdef CONFIG_OF' for non-dt builds. I have chosen to use a macro instead of a function to be able to avoid defining the first parameter. In fact, this "struct of_device_id *" first parameter is usualy not defined as well on non-dt builds. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Grant Likely <grant.likely@secretlab.ca>
2011-10-24nfs41: implement DESTROY_CLIENTID operationMi Jinlong
According to rfc5661 18.50, implement DESTROY_CLIENTID operation. Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-10-24nfsd4: typo logical vs bitwise negate for want_maskBenny Halevy
Signed-off-by: Benny Halevy <bhalevy@tonian.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-10-24nfsd4: allow NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL | ↵Benny Halevy
NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED RFC5661 says: The client may set one or both of OPEN4_SHARE_ACCESS_WANT_SIGNAL_DELEG_WHEN_RESRC_AVAIL and OPEN4_SHARE_ACCESS_WANT_PUSH_DELEG_WHEN_UNCONTENDED. Signed-off-by: Benny Halevy <bhalevy@tonian.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-10-24nfsd4: seq->status_flags may be used unitializedBenny Halevy
Reported-by: Gopala Suryanarayana <gsuryanarayana@vmware.com> Signed-off-by: Benny Halevy <bhalevy@tonian.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-10-24nfsd41: use SEQ4_STATUS_BACKCHANNEL_FAULT when cb_sequence is invalidBenny Halevy
Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-10-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-nextDavid S. Miller
2011-10-24Linux 3.1v3.1Linus Torvalds
2011-10-24ipv4: tcp: fix TOS value in ACK messages sent from TIME_WAITEric Dumazet
There is a long standing bug in linux tcp stack, about ACK messages sent on behalf of TIME_WAIT sockets. In the IP header of the ACK message, we choose to reflect TOS field of incoming message, and this might break some setups. Example of things that were broken : - Routing using TOS as a selector - Firewalls - Trafic classification / shaping We now remember in timewait structure the inet tos field and use it in ACK generation, and route lookup. Notes : - We still reflect incoming TOS in RST messages. - We could extend MuraliRaja Muniraju patch to report TOS value in netlink messages for TIME_WAIT sockets. - A patch is needed for IPv6 Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24rtnetlink: Add missing manual netlink notification in dev_change_net_namespacesEric W. Biederman
Renato Westphal noticed that since commit a2835763e130c343ace5320c20d33c281e7097b7 "rtnetlink: handle rtnl_link netlink notifications manually" was merged we no longer send a netlink message when a networking device is moved from one network namespace to another. Fix this by adding the missing manual notification in dev_change_net_namespaces. Since all network devices that are processed by dev_change_net_namspaces are in the initialized state the complicated tests that guard the manual rtmsg_ifinfo calls in rollback_registered and register_netdevice are unnecessary and we can just perform a plain notification. Cc: stable@kernel.org Tested-by: Renato Westphal <renatowestphal@gmail.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24ipv4: fix ipsec forward performance regressionYan, Zheng
There is bug in commit 5e2b61f(ipv4: Remove flowi from struct rtable). It makes xfrm4_fill_dst() modify wrong data structure. Signed-off-by: Zheng Yan <zheng.z.yan@intel.com> Reported-by: Kim Phillips <kim.phillips@freescale.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24jme: fix irq storm after suspend/resumeClemens Buchacher
If the device is down during suspend/resume, interrupts are enabled without a registered interrupt handler, causing a storm of unhandled interrupts until the IRQ is disabled because "nobody cared". Instead, check that the device is up before touching it in the suspend/resume code. Fixes https://bugzilla.kernel.org/show_bug.cgi?id=39112 Helped-by: Adrian Chadd <adrian@freebsd.org> Helped-by: Mohammed Shafi <shafi.wireless@gmail.com> Signed-off-by: Clemens Buchacher <drizzd@aon.at> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24route: fix ICMP redirect validationFlavio Leitner
The commit f39925dbde7788cfb96419c0f092b086aa325c0f (ipv4: Cache learned redirect information in inetpeer.) removed some ICMP packet validations which are required by RFC 1122, section 3.2.2.2: ... A Redirect message SHOULD be silently discarded if the new gateway address it specifies is not on the same connected (sub-) net through which the Redirect arrived [INTRO:2, Appendix A], or if the source of the Redirect is not the current first-hop gateway for the specified destination (see Section 3.3.1). Signed-off-by: Flavio Leitner <fbl@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24net: hold sock reference while processing tx timestampsRichard Cochran
The pair of functions, * skb_clone_tx_timestamp() * skb_complete_tx_timestamp() were designed to allow timestamping in PHY devices. The first function, called during the MAC driver's hard_xmit method, identifies PTP protocol packets, clones them, and gives them to the PHY device driver. The PHY driver may hold onto the packet and deliver it at a later time using the second function, which adds the packet to the socket's error queue. As pointed out by Johannes, nothing prevents the socket from disappearing while the cloned packet is sitting in the PHY driver awaiting a timestamp. This patch fixes the issue by taking a reference on the socket for each such packet. In addition, the comments regarding the usage of these function are expanded to highlight the rule that PHY drivers must use skb_complete_tx_timestamp() to release the packet, in order to release the socket reference, too. These functions first appeared in v2.6.36. Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Cc: <stable@vger.kernel.org> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24tcp: md5: add more const attributesEric Dumazet
Now tcp_md5_hash_header() has a const tcphdr argument, we can add more const attributes to callers. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24Add ethtool -g support to virtio_netRick Jones
Add support for reporting ring sizes via ethtool -g to the virtio_net driver. Signed-off-by: Rick Jones <rick.jones2@hp.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24tcp: md5: dont write skb head in tcp_md5_hash_header()Eric Dumazet
tcp_md5_hash_header() writes into skb header a temporary zero value, this might confuse other users of this area. Since tcphdr is small (20 bytes), copy it in a temporary variable and make the change in the copy. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24Merge git://git.infradead.org/iommu-2.6Linus Torvalds
* git://git.infradead.org/iommu-2.6: intel-iommu: fix superpage support in pfn_to_dma_pte() intel-iommu: set iommu_superpage on VM domains to lowest common denominator intel-iommu: fix return value of iommu_unmap() API MAINTAINERS: Update VT-d entry for drivers/pci -> drivers/iommu move intel-iommu: Export a flag indicating that the IOMMU is used for iGFX. intel-iommu: Workaround IOTLB hang on Ironlake GPU intel-iommu: Fix AB-BA lockdep report
2011-10-24Merge branch 'for-linus' of http://people.redhat.com/agk/git/linux-dmLinus Torvalds
* 'for-linus' of http://people.redhat.com/agk/git/linux-dm: dm kcopyd: fix job_pool leak
2011-10-24x86: Fix S4 regressionTakashi Iwai
Commit 4b239f458 ("x86-64, mm: Put early page table high") causes a S4 regression since 2.6.39, namely the machine reboots occasionally at S4 resume. It doesn't happen always, overall rate is about 1/20. But, like other bugs, once when this happens, it continues to happen. This patch fixes the problem by essentially reverting the memory assignment in the older way. Signed-off-by: Takashi Iwai <tiwai@suse.de> Cc: <stable@kernel.org> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: Yinghai Lu <yinghai.lu@oracle.com> [ We'll hopefully find the real fix, but that's too late for 3.1 now ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-10-24Merge branch 'drm-intel-next' of git://people.freedesktop.org/~keithp/linux ↵Dave Airlie
into drm-core-next * 'drm-intel-next' of git://people.freedesktop.org/~keithp/linux: (72 commits) drm/i915/dp: Fix eDP on PCH DP on CPT/PPT drm/i915/dp: Introduce is_cpu_edp() drm/i915: use correct SPD type value drm/i915: fix ILK+ infoframe support drm/i915: add DP test request handling drm/i915: read full receiver capability field during DP hot plug drm/i915/dp: Remove eDP special cases from bandwidth checks drm/i915/dp: Fix the math in intel_dp_link_required drm/i915/panel: Always record the backlight level again (but cleverly) i915: Move i915_read/write out of line drm/i915: remove transcoder PLL mashing from mode_set per specs drm/i915: if transcoder disable fails, say which drm/i915: set watermarks for third pipe on IVB drm/i915: export a CPT mode set verification function drm/i915: fix transcoder PLL select masking drm/i915: fix IVB cursor support drm/i915: fix debug output for 3 pipe configs drm/i915: add PLL sharing support to handle 3 pipes drm/i915: fix PCH PLL assertion check for 3 pipes drm/i915: use transcoder select bits on VGA and HDMI on CPT ...
2011-10-24target: Remove legacy se_task->task_timer and associated logicNicholas Bellinger
This patch removes the legacy usage of se_task->task_timer and associated infrastructure that originally was used as a way to help manage buggy backend SCSI LLDs that in certain cases would never return back an outstanding task. This includes the removal of target_complete_timeout_work(), timeout logic from transport_complete_task(), transport_task_timeout_handler(), transport_start_task_timer(), the per device task_timeout configfs attribute, and all task_timeout associated structure members and defines in target_core_base.h This is being removed in preparation to make transport_complete_task() run in lock-less mode. Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: Fix incorrect transport_sent usageNicholas Bellinger
This patch converts target-core to use se_cmd->t_transport_sent instead of a duplicated se_cmd->transport_sent member in a handful of locations. It also updates iscsi_target to properly use ->t_transport_sent instead of it's own iscsi_cmd_t->transport_sent value that was not being assigned. Reported-by: Christoph Hellwig <hch@lst.de> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: re-use the command S/G list for single-task commandsChristoph Hellwig
If we only have a single task per command (which at least in my testing is the by far most common case) we do not have to allocate a new per-task S/G list but can reuse the one from the command. (nab: Fix BIDI handling in transport_free_dev_tasks) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: Fix BIDI t_task_cdb handling in transport_generic_new_cmdNicholas Bellinger
This patch fixes a bug for BIDI handling in transport_generic_new_cmd() where cmd->t_task_cdbs_left and Co. where not taking into account the extra task count generated during the first call to transport_allocate_data_tasks(). Cc: Christoph Hellwig <hch@lst.de> Cc: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: remove transport_allocate_tasksChristoph Hellwig
There were only two callers, and one of them always wants the call to transport_allocate_data_tasks anyway. Also drop the constant lba argument to transport_allocate_data_tasks and move the variables inside it into the minimum required scope. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: merge transport_new_cmd_obj into transport_generic_new_cmdChristoph Hellwig
These are two fairly small functions, and merging them gives a much more readable control flow, and opportunities for more useful comments. It also moves all code related to resources allocation closer together and allows to remove a forward declaration for transport_allocate_tasks. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: remove the task_sg_bidi field se_task and pSCSI BIDI supportChristoph Hellwig
This field is never used given that BIDI handling happens at the command and not the task level. Remove it and the dead code in pscsi that tries to work on it. It also prevents pSCSI passthrough for the two currently enabled BIDI commands now that task->task_sg_bidi support has been removed. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: transport_subsystem_check_init cleanupsNicholas Bellinger
Remove the now unnecessary extra call to transport_subsystem_check_init() in target_core_register_fabric(), and also merge transport_subsystem_reqmods() directly into transport_subsystem_check_init(). Reported-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: use a workqueue for I/O completionsChristoph Hellwig
Instead of abusing the target processing thread for offloading I/O completion in the backends to user context add a new workqueue. This means completions can be processed as fast as available CPU time allows it, including in parallel with other completions and more importantly I/O submission or QUEUE FULL retries. This should give much better performance especially on loaded systems. As a fallout we can merge all the completed states into a single one. On the downside this change complicates lun reset handling a bit by requiring us to cancel a work item only for those states that have it initialized. The alternative would be to either always initialize the work item to a dummy handler, or always use the same handler and do a switch on the state. The long term solution will be a flag that says that the command has an initialized work item, but that's only going to be useful once we have more users. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: remove unused TRANSPORT_ statesChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: remove TRANSPORT_DEFERRED_CMD stateChristoph Hellwig
We never check for this state, and it makes testing for a completed state much harder given that it overrides the existing state. Also remove the unused deferred_t_state which is related to it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: remove the TRANSPORT_REMOVE stateChristoph Hellwig
We never queue an command with this state, and only set it in a completely bogus place in tcm_fc. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: move depth_left manipulation out of transport_generic_request_failureChristoph Hellwig
We only need to decrement dev->depth_left if failing a command from __transport_execute_tasks. Instead of doing it first thing in transport_generic_request_failure and requiring a pseudo-flag argument for it just opencode the decrement in the two callers (which should be factored into a single one anyway) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: stop task timers earlierChristoph Hellwig
Currently we stop the timers for all tasks in a command fairly late during I/O completion, which is fairly pointless and requires all kinds of safety checks. Instead delete pending timers early on in transport_complete_task, thus ensuring no new timers firest after that. We take t_state_lock a bit later in that function thus making sure currenly running timers are out of the criticial section. To be completely sure the timer has finished we also add another del_timer_sync call when freeing the task. This also allows removing TF_TIMER_RUNNING as it would be equivalent to TF_ACTIVE now. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: remove TF_TIMER_STOPChristoph Hellwig
TF_TIMER_STOP is useless as it only helps to mitigate a tiny race during deleting the timer. But given that we have cleared TF_ACTIVE at this point we already have another mitigation a few lines down the function. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: factor some duplicate code for stopping a taskChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: fix list walking in transport_free_dev_tasksChristoph Hellwig
list_for_each_entry_safe only protects against deletions from the list, but not against any concurrent modifications. Given that we drop t_state_lock inside the loop it is not safe in transport_free_dev_tasks. Instead of use a local dispose_list that we move all tasks that are to be deleted to. This is safe because we never do list_emptry checks on t_list to check if a command is on the list anywhere. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2011-10-24target: use transport_cmd_check_stop_to_fabric consistentlyChristoph Hellwig
Change one remaining user of transport_cmd_check_stop(cmd, 2, 0) to the transport_cmd_check_stop_to_fabric wrapper. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>