1 files changed, 4 insertions, 2 deletions

diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 77a0388fc3be..3151acf5ec13 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -674,7 +674,8 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
                 if ((delim = strchr(cur, '@')) == NULL)
                         goto parse_failed;
                 *delim = 0;
-                np->local_port = simple_strtol(cur, NULL, 10);
+                if (kstrtou16(cur, 10, &np->local_port))
+                        goto parse_failed;
                 cur = delim;
         }
         cur++;
@@ -705,7 +706,8 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
                 *delim = 0;
                 if (*cur == ' ' || *cur == '\t')
                         np_info(np, "warning: whitespace is not allowed\n");
-                np->remote_port = simple_strtol(cur, NULL, 10);
+                if (kstrtou16(cur, 10, &np->remote_port))
+                        goto parse_failed;
                 cur = delim;
         }
         cur++;