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| author | Tom Yan <tom.ty89@gmail.com> | 2016-07-21 20:41:54 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2016-08-10 05:38:14 +0200 |
| commit | 535fd072202dbc8afe5a4093178132bdd4ac2424 (patch) | |
| tree | afff54b653f0af1b71f98bf99b88fc23c9fbd543 /lib/locking-selftest-wsem.h | |
| parent | libata-scsi: use u8 array to store mode page copy (diff) | |
| download | linux-535fd072202dbc8afe5a4093178132bdd4ac2424.tar.xz linux-535fd072202dbc8afe5a4093178132bdd4ac2424.zip | |
libata-scsi: fix MODE SELECT translation for Control mode page
scsi_done() was called repeatedly and apparently because of that,
the kernel would call trace when we touch the Control mode page:
Call Trace:
[<ffffffff812ea0d2>] dump_stack+0x63/0x81
[<ffffffff81079cfb>] __warn+0xcb/0xf0
[<ffffffff81079e2d>] warn_slowpath_null+0x1d/0x20
[<ffffffffa00f51b0>] ata_eh_finish+0xe0/0xf0 [libata]
[<ffffffffa00fb830>] sata_pmp_error_handler+0x640/0xa50 [libata]
[<ffffffffa00470ed>] ahci_error_handler+0x1d/0x70 [libahci]
[<ffffffffa00f55f0>] ata_scsi_port_error_handler+0x430/0x770 [libata]
[<ffffffffa00eff8d>] ? ata_scsi_cmd_error_handler+0xdd/0x160 [libata]
[<ffffffffa00f59d7>] ata_scsi_error+0xa7/0xf0 [libata]
[<ffffffffa00913ba>] scsi_error_handler+0xaa/0x560 [scsi_mod]
[<ffffffffa0091310>] ? scsi_eh_get_sense+0x180/0x180 [scsi_mod]
[<ffffffff81098eb8>] kthread+0xd8/0xf0
[<ffffffff815d913f>] ret_from_fork+0x1f/0x40
[<ffffffff81098de0>] ? kthread_worker_fn+0x170/0x170
---[ end trace 8b7501047e928a17 ]---
Removed the unnecessary code and let ata_scsi_translate() do the job.
Also, since ata_mselect_control() has no ATA command to send to the
device, ata_scsi_mode_select_xlat() should return 1 for it, so that
ata_scsi_translate() will finish early to avoid ata_qc_issue().
Signed-off-by: Tom Yan <tom.ty89@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'lib/locking-selftest-wsem.h')
0 files changed, 0 insertions, 0 deletions