From: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
Date: Fri, 15 Apr 2016 15:29:40 +0000 (+0200)
Subject: examples/exception_path: fix shift operation in lcore setup
X-Git-Tag: spdx-start~6989
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=ea977ff1cb0b8afe03e994b3a8346696cbf27ea2;p=dpdk.git

examples/exception_path: fix shift operation in lcore setup

CID: #30688
The operaton may have an undefined behavior or yield to an unexpected result.

In setup_port_lcore_affinities: A bit shift operation has a shift amount
which is too large or has a negative value.

Fixes: af75078fece3 ("first public release")

Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod@intel.com>
---

diff --git a/examples/exception_path/main.c b/examples/exception_path/main.c
index bec980403c..e5eedcc163 100644
--- a/examples/exception_path/main.c
+++ b/examples/exception_path/main.c
@@ -350,8 +350,7 @@ setup_port_lcore_affinities(void)
 			}
 
 			port_ids[i] = rx_port++;
-		}
-		else if (output_cores_mask & (1ULL << i)) {
+		} else if (output_cores_mask & (1ULL << (i & 0x3f))) {
 			/* Skip ports that are not enabled */
 			while ((ports_mask & (1 << tx_port)) == 0) {
 				tx_port++;