vlib: Coverity fix

Fix a nit warning: we're not likely to create a vlib process with more
than 4gb of stack.

Type: fix
Ticket: VPP-1888

Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: I8bc7f64287c2802b0c286ce3d04443ac723a9a33

diff --git a/src/vlib/node.c b/src/vlib/node.c
index 2e93b95..3838d95 100644 (file)
--- a/src/vlib/node.c
+++ b/src/vlib/node.c
@@ -446,7 +446,7 @@ register_node (vlib_main_t * vm, vlib_node_registration_t * r)
        clib_memset (p, 0, sizeof (p[0]));
        p->log2_n_stack_bytes = log2_n_stack_bytes;
 
-       stack_bytes = 1 << log2_n_stack_bytes;
+       stack_bytes = 1ULL << log2_n_stack_bytes;
        /* map stack size + 2 extra guard pages */
        map = mmap (0, stack_bytes + page_size, PROT_READ | PROT_WRITE,
                    mmap_flags, -1, 0);