gru: fix GRU interrupt race at deallocate

Fix a race where an interrupt could be received for a GRU context that has
been deallocated.

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, 1 insertions, 0 deletions

diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c
index 54a5a1c35ad1..7768b87d995b 100644
--- a/drivers/misc/sgi-gru/gruprocfs.c
+++ b/drivers/misc/sgi-gru/gruprocfs.c
@@ -66,6 +66,7 @@ static int statistics_show(struct seq_file *s, void *p)
         printstat(s, intr);
         printstat(s, intr_cbr);
         printstat(s, intr_tfh);
+        printstat(s, intr_spurious);
         printstat(s, intr_mm_lock_failed);
         printstat(s, call_os);
         printstat(s, call_os_wait_queue);