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scsi: core: Convert a source code comment into a runtime check 

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
hifive-unleashed-5.1
Bart Van Assche 2017-12-04 10:06:24 -08:00 committed by Martin K. Petersen
parent 3bd6f43f5c
commit f0317e88e3
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/scsi_error.c
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@ -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);