[PATCH 6 of 13] ipath - fix verbs registration

["Bryan O'Sullivan" <bos@pathscale.com>]

Remember when the verbs layer unregisters from the lower-level code.

Signed-off-by: Bryan O'Sullivan <bos@pathscale.com>

diff -r 1ab168913f0f -r 3ff1e5ae1c60 drivers/infiniband/hw/ipath/ipath_layer.c
--- a/drivers/infiniband/hw/ipath/ipath_layer.c	Wed Apr 19 15:24:36 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_layer.c	Wed Apr 19 15:24:36 2006 -0700
@@ -46,13 +46,15 @@
 /* Acquire before ipath_devs_lock. */
 static DEFINE_MUTEX(ipath_layer_mutex);
 
+static int ipath_verbs_registered;
+
 u16 ipath_layer_rcv_opcode;
+
 static int (*layer_intr)(void *, u32);
 static int (*layer_rcv)(void *, void *, struct sk_buff *);
 static int (*layer_rcv_lid)(void *, void *);
 static int (*verbs_piobufavail)(void *);
 static void (*verbs_rcv)(void *, void *, void *, u32);
-static int ipath_verbs_registered;
 
 static void *(*layer_add_one)(int, struct ipath_devdata *);
 static void (*layer_remove_one)(void *);
@@ -585,6 +587,8 @@ void ipath_verbs_unregister(void)
 	verbs_piobufavail = NULL;
 	verbs_rcv = NULL;
 	verbs_timer_cb = NULL;
+
+	ipath_verbs_registered = 0;
 
 	mutex_unlock(&ipath_layer_mutex);
 }
-
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