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| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2016-01-05 14:47:58 +0100 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2016-01-07 13:57:55 -0800 |
| commit | de7ee9a20c7f617cbc5091e84855afcdeb19ba60 (patch) | |
| tree | 550b3b64c1ba5376f226bcdeac997f97e387542d /drivers/target/tcm_fc/tfc_conf.c | |
| parent | f0a8afecb29ad0005e7e946228a0ef5422058b85 (diff) | |
| download | linux-de7ee9a20c7f617cbc5091e84855afcdeb19ba60.tar.gz linux-de7ee9a20c7f617cbc5091e84855afcdeb19ba60.tar.bz2 linux-de7ee9a20c7f617cbc5091e84855afcdeb19ba60.zip | |
tcm_fc: Wait for command completion before freeing a session
This patch avoids that the following kernel crash can occur with
later patches in this patch series:
general protection fault: 0000 [#1] SMP
CPU: 0 PID: 6 Comm: kworker/u8:0 Not tainted 4.3.0-rc1-debug+ #1
Workqueue: tmr-fileio target_tmr_work [target_core_mod]
Call Trace:
[<ffffffff810a6915>] lock_acquire+0x65/0x90
[<ffffffff815e740b>] _raw_spin_lock_irqsave+0x4b/0x60
[<ffffffffa03bc7ca>] target_release_cmd_kref+0x2a/0xa0 [target_core_mod]
[<ffffffffa03bd418>] target_put_sess_cmd+0x28/0x50 [target_core_mod]
[<ffffffffa03bad50>] core_tmr_lun_reset+0x390/0x640 [target_core_mod]
[<ffffffffa03bce50>] target_tmr_work+0x80/0xd0 [target_core_mod]
[<ffffffff81070e6d>] process_one_work+0x19d/0x430
[<ffffffff8107120f>] worker_thread+0x10f/0x460
[<ffffffff810772ba>] kthread+0xea/0x100
[<ffffffff815e7a2f>] ret_from_fork+0x3f/0x70
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/tcm_fc/tfc_conf.c')
0 files changed, 0 insertions, 0 deletions