1 files changed, 4 insertions, 2 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 6be3ec600..983f7b108 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -12686,7 +12686,7 @@ dotcmd(int argc_ UNUSED_PARAM, char **argv_ UNUSED_PARAM)
         fullname = find_dot_file(argv[0]);
         argv++;
         args_need_save = argv[0];
-        if (args_need_save) { /* . FILE ARGS, ARGS exist */
+        if (args_need_save) { /* ". FILE ARGS", and ARGS are not empty */
                 int argc;
                 saveparam = shellparam;
                 shellparam.malloced = 0;
@@ -13480,7 +13480,7 @@ procargs(char **argv)
 #if DEBUG == 2
         debug = 1;
 #endif
-        /* POSIX 1003.2: first arg after -c cmd is $0, remainder $1... */
+        /* POSIX 1003.2: first arg after "-c CMD" is $0, remainder $1... */
         if (xminusc) {
                 minusc = *xargv++;
                 if (*xargv)
@@ -13661,9 +13661,11 @@ int ash_main(int argc UNUSED_PARAM, char **argv)
                         if (!hp) {
                                 hp = lookupvar("HOME");
                                 if (hp) {
+                                        INT_OFF;
                                         hp = concat_path_file(hp, ".ash_history");
                                         setvar0("HISTFILE", hp);
                                         free((char*)hp);
+                                        INT_ON;
                                         hp = lookupvar("HISTFILE");
                                 }
                         }