hush: remove superfluous comparison

function                                             old     new   delta
builtin_wait                                         291     285      -6

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

diff --git a/shell/hush.c b/shell/hush.c
index 553c8e64a01341c8dcd673092f2a8636f19db34f..af5c260903b665358e1012e253ce530135486ed8 100644 (file)
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -9967,7 +9967,7 @@ static int FAST_FUNC builtin_wait(char **argv)
                        /* No */
                        ret = 127;
                        if (errno == ECHILD) {
-                               if (G.last_bg_pid > 0 && pid == G.last_bg_pid) {
+                               if (pid == G.last_bg_pid) {
                                        /* "wait $!" but last bg task has already exited. Try:
                                         * (sleep 1; exit 3) & sleep 2; echo $?; wait $!; echo $?
                                         * In bash it prints exitcode 0, then 3.