SCSI: zfcp: restore refcount check on port_remove

[firefly-linux-kernel-4.4.55.git] / drivers / s390 / scsi / zfcp_ext.h

diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 5830fe267347a5984568f7c8a1a9fff438de23a5..3ad6399cc8bfdbd05103b918b6902abee4d2d717 100644 (file)
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -158,6 +158,7 @@ extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
 extern struct attribute_group zfcp_sysfs_unit_attrs;
 extern struct attribute_group zfcp_sysfs_adapter_attrs;
 extern struct attribute_group zfcp_sysfs_port_attrs;
+extern struct mutex zfcp_sysfs_port_units_mutex;
 extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
 extern struct device_attribute *zfcp_sysfs_shost_attrs[];