[SCSI] enclosure: fix error path - actually return ERR_PTR() on error

we also need to clean up and free the cdev.

Reported-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index 48c84a5..00e5fca 100644 (file)
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -285,8 +285,11 @@ enclosure_component_register(struct enclosure_device *edev,
        cdev->groups = enclosure_groups;
 
        err = device_register(cdev);
-       if (err)
-               ERR_PTR(err);
+       if (err) {
+               ecomp->number = -1;
+               put_device(cdev);
+               return ERR_PTR(err);
+       }
 
        return ecomp;
 }