[PATCH] sg: fix minor memory leak in error path

[Tony Battersby]

Fix a minor memory leak when there is an error opening a /dev/sg device.

Signed-off-by: Tony Battersby <to...@cybernetics.com>
---
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index cd2fdac..2962a38 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -2185,6 +2185,7 @@ sg_add_sfp(Sg_device * sdp)
        write_lock_irqsave(&sdp->sfd_lock, iflags);
        if (atomic_read(&sdp->detaching)) {
                write_unlock_irqrestore(&sdp->sfd_lock, iflags);
+               kfree(sfp);
                return ERR_PTR(-ENODEV);
        }
        list_add_tail(&sfp->sfd_siblings, &sdp->sfds);