From c434230a76e2fdd97b77ca96f64569c91e7df8a1 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 21 Jun 2013 19:53:09 +0200 Subject: [PATCH] ustream: return NULL in ustream_get_read_buf if there's a buffer, but no data Signed-off-by: Felix Fietkau --- ustream.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/ustream.c b/ustream.c index 88f1332..fd43395 100644 --- a/ustream.c +++ b/ustream.c @@ -311,15 +311,13 @@ void ustream_fill_read(struct ustream *s, int len) char *ustream_get_read_buf(struct ustream *s, int *buflen) { - char *data; - int len; + char *data = NULL; + int len = 0; if (s->r.head) { len = s->r.head->tail - s->r.head->data; - data = s->r.head->data; - } else { - len = 0; - data = NULL; + if (len > 0) + data = s->r.head->data; } if (buflen) -- 2.30.2