From: Tobias Ulmer <tu@emlix.com>
Date: Wed, 28 Jun 2017 16:33:08 +0000 (+0200)
Subject: le2lib: return error if fflush before fork fails
X-Git-Tag: e2factory-2.3.18rc1~110
X-Git-Url: https://git.e2factory.org/?a=commitdiff_plain;h=a666e0b0e4e25790b28c772ff6fde992b41ac4e3;p=e2factory.git

le2lib: return error if fflush before fork fails

Signed-off-by: Tobias Ulmer <tu@emlix.com>
---

diff --git a/generic/le2lib.c b/generic/le2lib.c
index 1d6e3ae..be4ebc6 100644
--- a/generic/le2lib.c
+++ b/generic/le2lib.c
@@ -43,10 +43,16 @@ static int
 lua_fork(lua_State *lua)
 {
 	int rc;
-	fflush(0);
-	rc = fork();
 
-	if(rc < 0) {
+	rc = fflush(NULL);
+	if (rc == EOF) {
+		lua_pushboolean(lua, 0);
+		lua_pushstring(lua, strerror(errno));
+		return 2;
+	}
+
+	rc = fork();
+	if (rc < 0) {
 		lua_pushboolean(lua, 0);
 		lua_pushstring(lua, strerror(errno));
 		return 2;