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-rw-r--r--src/fcntl/open.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/src/fcntl/open.c b/src/fcntl/open.c
index 088a28f7..5e5be1d7 100644
--- a/src/fcntl/open.c
+++ b/src/fcntl/open.c
@@ -5,11 +5,14 @@
 
 int open(const char *filename, int flags, ...)
 {
-	mode_t mode;
-	va_list ap;
-	va_start(ap, flags);
-	mode = va_arg(ap, mode_t);
-	va_end(ap);
+	mode_t mode = 0;
+
+	if (flags & O_CREAT) {
+		va_list ap;
+		va_start(ap, flags);
+		mode = va_arg(ap, mode_t);
+		va_end(ap);
+	}
 
 	int fd = __sys_open_cp(filename, flags, mode);
 	if (fd>=0 && (flags & O_CLOEXEC))