1 files changed, 2 insertions, 1 deletions

diff --git a/fs/proc/root.c b/fs/proc/root.c
index 1988440b2049..b90da888b81a 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -58,7 +58,8 @@ int proc_parse_options(char *options, struct pid_namespace *pid)
                 case Opt_hidepid:
                         if (match_int(&args[0], &option))
                                 return 0;
-                        if (option < 0 || option > 2) {
+                        if (option < HIDEPID_OFF ||
+                            option > HIDEPID_INVISIBLE) {
                                 pr_err("proc: hidepid value must be between 0 and 2.\n");
                                 return 0;
                         }