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| author |  Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
| 2018-12-05 13:16:24 -0500 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
| 2018-12-05 13:23:38 -0500 |
| commit | 14a4467a0a5eacb2ebbe3aab1b4e25af3519c76a (patch) | |
| tree | 541647056606d3e0aa1e06e62d2b40417623f8cb /drivers/scsi/scsi_lib.c | |
| parent | media: pixfmt-meta-d4xx.rst: Add a license to it (diff) | |
| parent | Merge tag 'media/v4.20-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mc... (diff) | |
| download | linux-14a4467a0a5eacb2ebbe3aab1b4e25af3519c76a.tar.gz linux-14a4467a0a5eacb2ebbe3aab1b4e25af3519c76a.tar.bz2 linux-14a4467a0a5eacb2ebbe3aab1b4e25af3519c76a.zip | |
Merge commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2' into patchwork
Merge from Upstream after the latest media fixes branch, because we
need one patch that it is there.
* commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2': (1108 commits)
ide: Change to use DEFINE_SHOW_ATTRIBUTE macro
ide: pmac: add of_node_put()
drivers/tty: add missing of_node_put()
drivers/sbus/char: add of_node_put()
sbus: char: add of_node_put()
Linux 4.20-rc5
PCI: Fix incorrect value returned from pcie_get_speed_cap()
MAINTAINERS: Update linux-mips mailing list address
ocfs2: fix potential use after free
mm/khugepaged: fix the xas_create_range() error path
mm/khugepaged: collapse_shmem() do not crash on Compound
mm/khugepaged: collapse_shmem() without freezing new_page
mm/khugepaged: minor reorderings in collapse_shmem()
mm/khugepaged: collapse_shmem() remember to clear holes
mm/khugepaged: fix crashes due to misaccounted holes
mm/khugepaged: collapse_shmem() stop if punched or truncated
mm/huge_memory: fix lockdep complaint on 32-bit i_size_read()
mm/huge_memory: splitting set mapping+index before unfreeze
mm/huge_memory: rename freeze_page() to unmap_page()
initramfs: clean old path before creating a hardlink
...
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index c7fccbb8f554..fa6e0c3b3aa6 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -697,6 +697,12 @@ static bool scsi_end_request(struct request *req, blk_status_t error, */ scsi_mq_uninit_cmd(cmd); + /* + * queue is still alive, so grab the ref for preventing it + * from being cleaned up during running queue. + */ + percpu_ref_get(&q->q_usage_counter); + __blk_mq_end_request(req, error); if (scsi_target(sdev)->single_lun || @@ -704,6 +710,8 @@ static bool scsi_end_request(struct request *req, blk_status_t error, kblockd_schedule_work(&sdev->requeue_work); else blk_mq_run_hw_queues(q, true); + + percpu_ref_put(&q->q_usage_counter); } else { unsigned long flags; |