From 36eccee213c5e8c992903f16d67f32c7f6ad41fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Quentin=20Th=C3=A9rond?= <q.therond@overkiz.com>
Date: Tue, 25 Jul 2017 14:14:03 +0200
Subject: [PATCH] i2s: fix leak in i2s_create_dma_queue if we have a malloc
 issue.

---
 components/driver/i2s.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/driver/i2s.c b/components/driver/i2s.c
index f78745f329..1816a55e82 100644
--- a/components/driver/i2s.c
+++ b/components/driver/i2s.c
@@ -435,7 +435,7 @@ static i2s_dma_t *i2s_create_dma_queue(i2s_port_t i2s_num, int dma_buf_count, in
     dma->buf = (char **)malloc(sizeof(char*) * dma_buf_count);
     if (dma->buf == NULL) {
         ESP_LOGE(I2S_TAG, "Error malloc dma buffer pointer");
-
+        free(dma);
         return NULL;
     }
     memset(dma->buf, 0, sizeof(char*) * dma_buf_count);