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authorFinn Thain <fthain@telegraphics.com.au>2016-01-03 16:05:21 +1100
committerMartin K. Petersen <martin.petersen@oracle.com>2016-01-06 21:42:56 -0500
commit0ad0eff98fec3c940ec199047ff580abaaa5bb1a (patch)
treeedbaaf6760250383f1bf45fe39e48a1422985126 /drivers/scsi/dtc.c
parente52bbd5ccf53d2a73e524adb26b6d8a4f810ccb4 (diff)
downloadlinux-0ad0eff98fec3c940ec199047ff580abaaa5bb1a.tar.gz
ncr5380: Introduce unbound workqueue
Allocate a work queue that will permit busy waiting and sleeping. This
means NCR5380_init() can potentially fail, so add this error path.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ondrej Zary <linux@rainbow-software.org>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/dtc.c')
-rw-r--r--drivers/scsi/dtc.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/scsi/dtc.c b/drivers/scsi/dtc.c
index 698bea067af9..bc856c8ba0dd 100644
--- a/drivers/scsi/dtc.c
+++ b/drivers/scsi/dtc.c
@@ -230,12 +230,13 @@ static int __init dtc_detect(struct scsi_host_template * tpnt)
 found:
 		instance = scsi_register(tpnt, sizeof(struct NCR5380_hostdata));
 		if (instance == NULL)
-			break;
+			goto out_unmap;
 
 		instance->base = addr;
 		((struct NCR5380_hostdata *)(instance)->hostdata)->base = base;
 
-		NCR5380_init(instance, 0);
+		if (NCR5380_init(instance, 0))
+			goto out_unregister;
 
 		NCR5380_maybe_reset_bus(instance);
 
@@ -275,6 +276,12 @@ found:
 		++count;
 	}
 	return count;
+
+out_unregister:
+	scsi_unregister(instance);
+out_unmap:
+	iounmap(base);
+	return count;
 }
 
 /*