Ignore errors from scsi_dh_add_device (rhbz 1288687)

alua_fix.patch

@@ -0,0 +1,41 @@
+From 221255aee67ec1c752001080aafec0c4e9390d95 Mon Sep 17 00:00:00 2001
+From: Hannes Reinecke <hare@suse.de>
+Date: Tue, 1 Dec 2015 10:16:42 +0100
+Subject: 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>
+---
+ drivers/scsi/scsi_sysfs.c | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
+index fc3cd26..d015374 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);
+-- 
+cgit v0.11.2
+

kernel.spec

@@ -594,6 +594,9 @@ Patch570: HID-multitouch-enable-palm-rejection-if-device-imple.patch
 #rhbz 1286293
 Patch571: ideapad-laptop-Add-Lenovo-ideapad-Y700-17ISK-to-no_h.patch
 
+#rhbz 1288687
+Patch572: alua_fix.patch
+
 # END OF PATCH DEFINITIONS
 
 %endif
@@ -2037,6 +2040,9 @@ fi
 #
 # 
 %changelog
+* Thu Dec 10 2015 Laura Abbott <labbott@redhat.com>
+- Ignore errors from scsi_dh_add_device (rhbz 1288687)
+
 * Thu Dec 10 2015 Laura Abbott <labbott@redhat.com> - 4.4.0-0.rc4.git3.1
 - Linux v4.4-rc4-86-g6764e5e