From: Dave Barach <dave@barachs.net>
Date: Mon, 8 Jun 2020 13:40:36 +0000 (-0400)
Subject: vlib: Coverity fix
X-Git-Tag: v21.01-rc0~303
X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=commitdiff_plain;h=6a3195f166fa09e2eb2af66394c12e6288fcd3c5

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 2e93b9598eb..3838d950040 100644
--- 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);