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1656efe689f9f4aaaebf34238e8a795f3d9edc86
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Author SHA1 Message Date
Vladislav Bolkhovitin
1656efe689 iscsi-scst: small post-r6315 cleanup 
Avoid that rd_task declared when it is not used



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6408 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-07-03 04:21:52 +00:00
Vladislav Bolkhovitin
3949bfa445 scst_vdisk: fix typo in vdisk_get_supported_opcodes() 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6407 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-07-01 22:13:40 +00:00
Bart Van Assche
ce6721207e nightly build: Update kernel versions 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6406 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-30 01:11:54 +00:00
Bart Van Assche
2e07fca500 nightly build: Add kernel v4.1 build infrastructure 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6405 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-28 15:45:59 +00:00
Bart Van Assche
12566f2781 nightly build: Update a kernel version 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6404 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-28 05:24:49 +00:00
Bart Van Assche
ef8d3ae376 nightly build: Update a kernel version 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6403 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-26 20:21:09 +00:00
Bart Van Assche
75369451a5 isert-scst/Kconfig: Add InfiniBand dependency 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6402 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-25 14:12:54 +00:00
Bart Van Assche
e3c906b4e5 scripts/run-regression-tests: Filter line numbers from the smatch output 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6400 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-24 15:18:48 +00:00
Bart Van Assche
2b209aedcd nightly build: Update kernel versions 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6398 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-24 03:24:37 +00:00
Bart Van Assche
79c8bf1f7c iscsi-scst, isert-scst: One trace flags variable per kernel module 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6397 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-23 15:01:17 +00:00
Bart Van Assche
f0e98ee4b2 isert-scst: Build fix for older kernel versions (< 2.6.29) 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6395 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-19 14:06:05 +00:00
Vladislav Bolkhovitin
3b124eb309 Fix NDOB parsing for WRITE_SAME32 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6394 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-18 01:43:47 +00:00
Bart Van Assche
46915ef3e5 iscsi-scst: Fix a syntax error 
Preprocessor directives are not allowed in argument lists of a macro.
This patch reverts r6317.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6393 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 05:00:20 +00:00
Bart Van Assche
cd0a7b7b9d qla2x00t: Fix a potential buffer overflow 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6392 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:36:52 +00:00
Bart Van Assche
7b8ad56790 qla2x00t: Fix a potential buffer overflow 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6391 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:36:22 +00:00
Bart Van Assche
2a6a25ba45 qla2x00t: Change type of first argument of qla24xx_prep_ct_fm_req() 
This makes it easier for Coverity to analyze this code.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6390 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:35:43 +00:00
Bart Van Assche
11df045449 iscsiadm: Fix a resource leak in an error path 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6389 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:32:53 +00:00
Bart Van Assche
bb0a7c894a iscsi-scstd: Annotate a fall-through for Coverity 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6388 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:32:27 +00:00
Bart Van Assche
476d0ba898 iscsi-scstd: Constify several function arguments 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6387 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:32:02 +00:00
Bart Van Assche
f05dfcf88f iscsi-scstd: Suppress a compiler warning 
Avoid that gcc reports the following compiler warning:
    
message.c:197:44: warning: 'rsp_data_sz' may be used uninitialized in this function [-Wmaybe-uninitialized]


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6386 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:31:20 +00:00
Bart Van Assche
8a4e41fb44 iscsi-scstd: Allow the compiler to inline functions 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6385 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:30:40 +00:00
Bart Van Assche
4ad34f74d5 fileio: Fix a potential buffer overflow 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6384 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:30:16 +00:00
Bart Van Assche
556023b862 qla2x00t: Help Coverity with analyzing ct_sns_pkt initialization 
This patch does not change any functionality. See also the upstream
patch "qla2xxx: Help Coverity with analyzing ct_sns_pkt
initialization".


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6383 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:29:40 +00:00
Bart Van Assche
18c63e434b qla2x00t: Fix a potential buffer overflow 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6382 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:29:04 +00:00
Bart Van Assche
e2210ff40f ib_srpt, make clean: Remove all temporary files 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6381 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:28:39 +00:00
Bart Van Assche
a8da0107f8 iscsiadm: Fix a resource leak 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6380 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:28:02 +00:00
Bart Van Assche
ad38432332 iscsiadm: Fix strerror() argument 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6379 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:27:41 +00:00
Bart Van Assche
a14df39942 iscsiadm: Do not allocate more memory than needed 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6378 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:27:18 +00:00
Bart Van Assche
ff2b660264 iscsiadm: Fix a file descriptor leak in an error path 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6377 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:26:35 +00:00
Bart Van Assche
f5f85b95fb iscsi-scstd: Fix a resource leak in an error path 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6376 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:26:08 +00:00
Bart Van Assche
a6121b03c8 iscsi-scstd: Fix a potential file descriptor leak 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6375 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:25:42 +00:00
Bart Van Assche
74b4104994 iscsi-scstd: Avoid that Coverity complains about a use-after-free 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6374 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:25:05 +00:00
Bart Van Assche
b3f49a0a17 iscsi-scstd: Annotate fall-throughs for Coverity 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6373 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:24:25 +00:00
Bart Van Assche
102d8d54c9 iscsi-scstd: Move two local variables to suppress a Coverity complaint 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6372 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:24:03 +00:00
Bart Van Assche
41caee3148 iscsi-scstd: Fix a file descriptor leak in an error path 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6371 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:23:38 +00:00
Bart Van Assche
21b60063a9 iscsi-scstd: Fix a dereference-before-null-check 
Detected by Coverity.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6370 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:23:14 +00:00
Bart Van Assche
b099782023 iscsi-scstd: Fix a memory leak in the iSNS code 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6369 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:22:46 +00:00
Bart Van Assche
dfcb53a9b2 iscsi-scstd: Rearrange driver major number lookup code 
Introduce a function for looking up the driver major number.
This patch does not change any functionality but makes the source
code easier to read and also makes it easier for Coverity to
analyze this code.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6368 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:22:14 +00:00
Bart Van Assche
165b0f1d10 iscsi-scstd: Improve create_and_open_dev() robustness 
Reset 'devn' if the sscanf() return value is lower than two.
Based on a Coverity report.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6367 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:21:28 +00:00
Bart Van Assche
d70b1e39c0 iscsi-scstd: Fix a dereference-before-null-check 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6366 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:20:21 +00:00
Bart Van Assche
40a90a705d isert-scst: Add address length check in isert_listen_ioctl() 
Detected by Coverity.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6365 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:19:27 +00:00
Bart Van Assche
26cda0eb38 iscsi-scst: Annotate fall-through cases for Coverity 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6364 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:18:23 +00:00
Bart Van Assche
63cb4a9d40 iscsi-scst: Fix indentation 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6363 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:09:23 +00:00
Bart Van Assche
4891109301 scst_tg: Introduce scst_dg_mutex 
Make target group locking more fine grained by protecting
target group related data structures via scst_dg_mutex. This
patch fixes a rare deadlock between VPD inquiry and LUN removal.
See also patch "scst: Rework sess_tgt_dev_list locking" (commit
ID 5af7d9277d).
    
INFO: task scst_uid:12943 blocked for more than 120 seconds.
Call Trace:
[<ffffffff814f9297>] schedule+0x37/0x90
[<ffffffff814fe2fc>] schedule_timeout+0x20c/0x370
[<ffffffff814fa8f7>] wait_for_completion+0xf7/0x130
[<ffffffff81083dc4>] kthread_stop+0x84/0x470
[<ffffffffa04286b8>] scst_del_threads+0xc8/0x250 [scst]
[<ffffffffa0457505>] scst_tgt_dev_stop_threads+0x185/0x1a0 [scst]
[<ffffffffa045e913>] scst_free_tgt_dev+0x103/0x280 [scst]
[<ffffffffa045fb6d>] scst_acg_del_lun+0xcd/0x270 [scst]
[<ffffffffa046fc03>] __scst_process_luns_mgmt_store+0x653/0x6b0
[scst]
[<ffffffffa046fc87>] scst_luns_mgmt_store_work_fn+0x27/0x30 [scst]
[<ffffffffa046b00d>] scst_process_sysfs_works+0xed/0x1f0 [scst]
[<ffffffffa046e4bd>] sysfs_work_thread_fn+0x13d/0x2e0 [scst]
[<ffffffff8108370a>] kthread+0x10a/0x120
[<ffffffff815001a2>] ret_from_fork+0x42/0x70
1 lock held by scst_uid/12943:
  (&scst_mutex){+.+.+.}, at: [<ffffffffa045fb4b>] scst_acg_del_lun+0xab/0x270 [scst]
INFO: task diskf00_0:19854 blocked for more than 120 seconds.
Call Trace:
[<ffffffff814f9297>] schedule+0x37/0x90
[<ffffffff814f9738>] schedule_preempt_disabled+0x18/0x30
[<ffffffff814fb1ce>] mutex_lock_nested+0x16e/0x450
[<ffffffffa0483e6f>] scst_impl_alua_configured+0x1f/0x50 [scst]
[<ffffffffa0504878>] vdisk_inq+0x68/0x2c0 [scst_vdisk]
[<ffffffffa050b05e>] vdisk_exec_inquiry+0x31e/0x440 [scst_vdisk]
[<ffffffffa0502bf6>] vdev_do_job+0x1b6/0x3c0 [scst_vdisk]
[<ffffffffa05030a9>] vdisk_exec+0x29/0x90 [scst_vdisk]
[<ffffffffa0431eb1>] scst_do_real_exec+0xa1/0x450 [scst]
[<ffffffffa043230d>] scst_exec_check_blocking+0xad/0x2b0 [scst]
[<ffffffffa043251e>] scst_exec_check_sn+0xe/0x10 [scst]
[<ffffffffa0439e75>] scst_process_active_cmd+0x3f5/0x7e0 [scst]
[<ffffffffa043b7eb>] scst_do_job_active+0xeb/0x180 [scst]
[<ffffffffa043b9bc>] scst_cmd_thread+0x13c/0x2c0 [scst]
[<ffffffff8108370a>] kthread+0x10a/0x120
[<ffffffff815001a2>] ret_from_fork+0x42/0x70
1 lock held by diskf00_0/19854:
  (&scst_mutex){+.+.+.}, at: [<ffffffffa0483e6f>] scst_impl_alua_configured+0x1f/0x50 [scst]



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6362 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:08:48 +00:00
Bart Van Assche
4b9efe2090 scst_tg: Convert dynamic into static initialization 
This patch does not change any functionality.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6361 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:07:20 +00:00
Bart Van Assche
250faea985 scst_targ: Remove dead code 
Detected by Coverity.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6360 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:06:18 +00:00
Bart Van Assche
76cc064b48 scst: Fix a race between scst_del_threads() and the sysfs API 
kthread_stop() not only stops a thread but also frees the associated
task struct. Avoid that functions that iterate over the thread list
can encounter an invalid task structure pointer. This patch fixes the
following kernel crash:
    
general protection fault: 0000 [#2] PREEMPT SMP
RIP: 0010:[<ffffffff81080e9c>]  [<ffffffff81080e9c>] __task_pid_nr_ns+0x9c/0x1b0
Call Trace:
[<ffffffffa045ed7d>] task_pid_vnr+0xd/0x10 [scst]
[<ffffffffa0460418>] scst_tgt_dev_thread_pid_show+0x78/0xd0 [scst]
[<ffffffffa045929f>] scst_show+0xf/0x20 [scst]
[<ffffffff81231acb>] sysfs_kf_seq_show+0xab/0x130
[<ffffffff81230176>] kernfs_seq_show+0x26/0x30
[<ffffffff811daf10>] seq_read+0xe0/0x3e0
[<ffffffff81230ab5>] kernfs_fop_read+0x125/0x180
[<ffffffff811b0138>] __vfs_read+0x28/0xe0
[<ffffffff811b07ca>] vfs_read+0x8a/0x140
[<ffffffff811b1669>] SyS_read+0x49/0xb0
[<ffffffff814ffd32>] system_call_fastpath+0x16/0x7a



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6359 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:05:29 +00:00
Bart Van Assche
b936c23543 qla2xxx: Declare local symbols 'static' 
Additionally, remove unused code. Detected by sparse.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6358 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:03:35 +00:00
Bart Van Assche
b6c00bfba1 scst_targ: Add more debug code in scst_unblock_aborted_cmds() 
Use lockdep to verify that the caller holds scst_mutex if the
scst_mutex_held argument has not been set.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6357 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:01:24 +00:00
Bart Van Assche
a6f9f870b3 scst_lib: Fix a use-after-free in an error path 
scst_free_tgt_dev() frees the memory tgt_dev points at which means
that list_for_each_entry_safe() is needed here.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6356 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:00:40 +00:00