[PATCH AUTOSEL 5.10 25/30] scsi: core: Only put parent device if host state differs from SHOST_CREATED
From: Sasha Levin <sashal@kernel.org>
Date: 2021-06-15 15:51:59
Also in:
linux-scsi, lkml
Subsystem:
scsi subsystem, the rest · Maintainers:
"James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
From: Ming Lei <redacted> [ Upstream commit 1e0d4e6225996f05271de1ebcb1a7c9381af0b27 ] get_device(shost->shost_gendev.parent) is called after host state has switched to SHOST_RUNNING. scsi_host_dev_release() shouldn't release the parent device if host state is still SHOST_CREATED. Link: https://lore.kernel.org/r/20210602133029.2864069-5-ming.lei@redhat.com (local) Cc: Bart Van Assche <bvanassche@acm.org> Cc: John Garry <redacted> Cc: Hannes Reinecke <hare@suse.de> Tested-by: John Garry <redacted> Reviewed-by: John Garry <redacted> Signed-off-by: Ming Lei <redacted> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/scsi/hosts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index a64d0c6f1c4a..b93dd8ef4ac8 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c@@ -347,7 +347,7 @@ static void scsi_host_dev_release(struct device *dev) ida_simple_remove(&host_index_ida, shost->host_no); - if (parent) + if (shost->shost_state != SHOST_CREATED) put_device(parent); kfree(shost); }
--
2.30.2