softirq: Add sanity assertion about NR_SOFTIRQS.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

diff --git a/xen/common/softirq.c b/xen/common/softirq.c
index be4728f2e07534505c18f31ce30e05485174dfe5..a4ae6a0c62d0bf3b94da6f6b46abd48118bca063 100644 (file)
--- a/xen/common/softirq.c
+++ b/xen/common/softirq.c
@@ -49,6 +49,7 @@ asmlinkage void do_softirq(void)
 
 void open_softirq(int nr, softirq_handler handler)
 {
+    ASSERT(nr < NR_SOFTIRQS);
     softirq_handlers[nr] = handler;
 }