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| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2016-04-12 23:39:18 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-05-14 01:39:59 +0200 |
| commit | 54f5c9c52d69afa55abf2b034df8d45f588466c3 (patch) | |
| tree | 7bfe33cc669d59d5512859a9f77ddd1c6ed628db /drivers/infiniband/core/iwcm.c | |
| parent | Merge branches 'mlx5-1' and 'srp-1' into k.o/for-4.7 (diff) | |
| download | linux-54f5c9c52d69afa55abf2b034df8d45f588466c3.tar.xz linux-54f5c9c52d69afa55abf2b034df8d45f588466c3.zip | |
IB/srp: Fix a debug kernel crash
Avoid that the following BUG() is triggered against a debug
kernel:
kernel BUG at include/linux/scatterlist.h:92!
RIP: 0010:[<ffffffffa0467199>] [<ffffffffa0467199>] srp_map_idb+0x199/0x1a0 [ib_srp]
Call Trace:
[<ffffffffa04685fa>] srp_map_data+0x84a/0x890 [ib_srp]
[<ffffffffa0469674>] srp_queuecommand+0x1e4/0x610 [ib_srp]
[<ffffffff813f5a5e>] scsi_dispatch_cmd+0x9e/0x180
[<ffffffff813f8b07>] scsi_request_fn+0x477/0x610
[<ffffffff81298ffe>] __blk_run_queue+0x2e/0x40
[<ffffffff81299070>] blk_delay_work+0x20/0x30
[<ffffffff81071f07>] process_one_work+0x197/0x480
[<ffffffff81072239>] worker_thread+0x49/0x490
[<ffffffff810787ea>] kthread+0xea/0x100
[<ffffffff8159b632>] ret_from_fork+0x22/0x40
Fixes: f7f7aab1a5c0 ("IB/srp: Convert to new registration API")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Christoph Hellwig <hch@lst.de>
Cc: <stable@vger.kernel.org> # v4.4+
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core/iwcm.c')
0 files changed, 0 insertions, 0 deletions