gru: allocation may fail in quicktest1()

The allocation may fail.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c
index 79689b1..766e21e 100644
--- a/drivers/misc/sgi-gru/grukservices.c
+++ b/drivers/misc/sgi-gru/grukservices.c
@@ -937,6 +937,8 @@
 
 	/* Need  1K cacheline aligned that does not cross page boundary */
 	p = kmalloc(4096, 0);
+	if (p == NULL)
+		return -ENOMEM;
 	mq = ALIGNUP(p, 1024);
 	memset(mes, 0xee, sizeof(mes));
 	dw = mq;