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authorHannes Reinecke <hare@suse.de>2015-12-01 10:16:42 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-16 09:30:48 +0200
commit5a6f9d06d844763261f89850f33a4b84cfc0f1c1 (patch)
treed050620bc2aeb5f3aa357630cec268d23aa4bafe
parent694dfd0ef02ded5b6fbea03a12350ee8a74921d5 (diff)
scsi: ignore errors from scsi_dh_add_device()
commit 221255aee67ec1c752001080aafec0c4e9390d95 upstream. 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> Cc: Laura Abbott <labbott@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-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 f7ae898833dd..7232d43e2207 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1058,11 +1058,12 @@ 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);