Merge tag 'v3.13-rc4' into core/locking

Merge Linux 3.13-rc4, to refresh this rather old tree with the latest fixes.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index 0e8df41aaf14..2cf2bbc0b927 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -198,6 +198,13 @@ static void enclosure_remove_links(struct enclosure_component *cdev)
 {
         char name[ENCLOSURE_NAME_SIZE];
 
+        /*
+         * In odd circumstances, like multipath devices, something else may
+         * already have removed the links, so check for this condition first.
+         */
+        if (!cdev->dev->kobj.sd)
+                return;
+
         enclosure_link_name(cdev, name);
         sysfs_remove_link(&cdev->dev->kobj, name);
         sysfs_remove_link(&cdev->cdev.kobj, "device");