[PATCH v4 06/22] cmdline: fix highest bit port list parsing

[David Marchand]

pl->map is a uint32_t.

Caught by UBSan:

../lib/cmdline/cmdline_parse_portlist.c:27:17: runtime error:
	left shift of 1 by 31 places cannot be represented in type 'int'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior
	../lib/cmdline/cmdline_parse_portlist.c:27:17 in

Fixes: af75078fece3 ("first public release")
Cc: stable at dpdk.org

Signed-off-by: David Marchand <david.marchand at redhat.com>
Acked-by: Bruce Richardson <bruce.richardson at intel.com>
Reviewed-by: Marat Khalili <marat.khalili at huawei.com>
---
Changes since v1:
- moved variable increment out of the macro call,

---
 lib/cmdline/cmdline_parse_portlist.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/cmdline/cmdline_parse_portlist.c b/lib/cmdline/cmdline_parse_portlist.c
index 549f6d9671..3efe4143e3 100644
--- a/lib/cmdline/cmdline_parse_portlist.c
+++ b/lib/cmdline/cmdline_parse_portlist.c
@@ -10,7 +10,9 @@
 #include <errno.h>
 
 #include <eal_export.h>
+#include <rte_bitops.h>
 #include <rte_string_fns.h>
+
 #include "cmdline_parse.h"
 #include "cmdline_parse_portlist.h"
 
@@ -26,7 +28,8 @@ static void
 parse_set_list(cmdline_portlist_t *pl, size_t low, size_t high)
 {
 	do {
-		pl->map |= (1 << low++);
+		pl->map |= RTE_BIT32(low);
+		low++;
 	} while (low <= high);
 }
 
-- 
2.50.0