From f0317e88e3290854b7929fa8a2746e92d94b736c Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Mon, 4 Dec 2017 10:06:24 -0800 Subject: scsi: core: Convert a source code comment into a runtime check Signed-off-by: Bart Van Assche Cc: Christoph Hellwig Cc: Hannes Reinecke Cc: Johannes Thumshirn Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_error.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/scsi/scsi_error.c') diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 3737c6d3b064..d042915ce895 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -61,9 +61,10 @@ static int scsi_eh_try_stu(struct scsi_cmnd *scmd); static int scsi_try_to_abort_cmd(struct scsi_host_template *, struct scsi_cmnd *); -/* called with shost->host_lock held */ void scsi_eh_wakeup(struct Scsi_Host *shost) { + lockdep_assert_held(shost->host_lock); + if (atomic_read(&shost->host_busy) == shost->host_failed) { trace_scsi_eh_wakeup(shost); wake_up_process(shost->ehandler); -- cgit v1.2.3