sgi-gru: fix bugs related to module unload of the GRU driver

Fix bugs related to module unload of the GRU driver.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index b7a21ce91496..3e6e42d2f01b 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -440,7 +440,7 @@ exit1:
 
 static void __exit gru_exit(void)
 {
-        int i, bid;
+        int i, bid, gid;
         int order = get_order(sizeof(struct gru_state) *
                               GRU_CHIPLETS_PER_BLADE);
 
@@ -450,6 +450,9 @@ static void __exit gru_exit(void)
         for (i = 0; i < GRU_CHIPLETS_PER_BLADE; i++)
                 free_irq(IRQ_GRU + i, NULL);
 
+        foreach_gid(gid)
+                gru_kservices_exit(GID_TO_GRU(gid));
+
         for (bid = 0; bid < GRU_MAX_BLADES; bid++)
                 free_pages((unsigned long)gru_base[bid], order);