hush: if we did match "LINENO" or "OPTIND", stop further comparisons

function                                             old     new   delta
handle_changed_special_names                          99     101      +2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/shell/hush.c b/shell/hush.c
index 7b59b0ff9..971a16aff 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -2134,12 +2134,16 @@ static void handle_changed_special_names(const char *name, unsigned name_len)
          && name_len == 6
         ) {
 #if ENABLE_HUSH_LINENO_VAR
-                if (strncmp(name, "LINENO", 6) == 0)
+                if (strncmp(name, "LINENO", 6) == 0) {
                         G.lineno_var = NULL;
+                        return;
+                }
 #endif
 #if ENABLE_HUSH_GETOPTS
-                if (strncmp(name, "OPTIND", 6) == 0)
+                if (strncmp(name, "OPTIND", 6) == 0) {
                         G.getopt_count = 0;
+                        return;
+                }
 #endif
         }
 }