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authorHannes Reinecke <hare@suse.de>2015-12-01 10:16:42 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2015-12-02 16:29:46 -0500
commit221255aee67ec1c752001080aafec0c4e9390d95 (patch)
treef6bfe11bd7ed89e1c4ab05aa033b38b1e235d3f3 /drivers/scsi/scsi_sysfs.c
parent41f95dd2efd80a611c8566888fcdcb5d399ea474 (diff)
scsi: ignore errors from scsi_dh_add_device()
device handler initialisation might fail due to a number of reasons. But as device_handlers are optional this shouldn't cause us to disable the device entirely. So just ignore errors from scsi_dh_add_device(). Reviewed-by: Johannes Thumshirn <jthumshirn@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/scsi_sysfs.c')
-rw-r--r--drivers/scsi/scsi_sysfs.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index fc3cd2656059..d015374f8ea9 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1120,11 +1120,12 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
}
error = scsi_dh_add_device(sdev);
- if (error) {
+ if (error)
+ /*
+ * device_handler is optional, so any error can be ignored
+ */
sdev_printk(KERN_INFO, sdev,
"failed to add device handler: %d\n", error);
- return error;
- }
device_enable_async_suspend(&sdev->sdev_dev);
error = device_add(&sdev->sdev_dev);