From ee379eb53516e6f38dd8ed1305c79f41f37d0265 Mon Sep 17 00:00:00 2001
From: Francisco Molina <femolina@uc.cl>
Date: Fri, 11 Sep 2020 11:19:58 +0200
Subject: [PATCH] sys/pipe/pipe_dynamic: fix possible null pointer dereference

---
 sys/pipe/pipe_dynamic.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/pipe/pipe_dynamic.c b/sys/pipe/pipe_dynamic.c
index 6de2333dd0..d70d2039a9 100644
--- a/sys/pipe/pipe_dynamic.c
+++ b/sys/pipe/pipe_dynamic.c
@@ -42,8 +42,9 @@ pipe_t *pipe_malloc(unsigned size)
     if (m_pipe) {
         ringbuffer_init(&m_pipe->rb, m_pipe->buffer, size);
         pipe_init(&m_pipe->pipe, &m_pipe->rb, free);
+        return &m_pipe->pipe;
     }
-    return &m_pipe->pipe;
+    return NULL;
 }
 
 void pipe_free(pipe_t *rp)