[PATCH 2/3][-mm] reclassify the sg_sysfs_class mutex

[Dave Young]

[Please first apply the patch 1/3 before this]

To please lockdep here we use class_reclassify to change
the lock class of sg_sysfs_class

Signed-off-by: Dave Young <hidave.darkstar@xxxxxxxxx>

---
 drivers/scsi/sg.c |    2 ++
 1 file changed, 2 insertions(+)

--- linux/drivers/scsi/sg.c	2008-05-19 12:41:05.000000000 +0800
+++ linux.new/drivers/scsi/sg.c	2008-05-19 14:08:19.000000000 +0800
@@ -1579,6 +1579,8 @@ init_sg(void)
 		rc = PTR_ERR(sg_sysfs_class);
 		goto err_out;
         }
+
+	class_reclassify(sg_sysfs_class);
 	sg_sysfs_valid = 1;
 	rc = scsi_register_interface(&sg_interface);
 	if (0 == rc) {
--
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