From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Fri, 14 Jul 2017 17:27:03 +0000 (+0200)
Subject: hush: remove superfluous comparison
X-Git-Tag: 1_28_0~401
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=0c5657e9119eb52263e83e9b55394a8f43f4e928;p=oweals%2Fbusybox.git

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 553c8e64a..af5c26090 100644
--- 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.