From: Boris Brezillon <bbrezillon@kernel.org>
Date: Sat, 19 Jan 2019 15:57:57 +0100
Subject: spi: spi-mem: Fix a memory leak in spi_mem_dirmap_destroy()

Git-commit: bfecfd6e23bf677c85828eb20fa4b13a18bffe23
Patch-mainline: v5.1-rc1
References: fate#326572

The dirmap descriptor object allocated in spi_mem_dirmap_create is
never freed. Add a kfree(desc) in spi_mem_dirmap_destroy().

Fixes: aa167f3fed0c ("spi: spi-mem: Add a new API to support direct mapping")
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/spi/spi-mem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c
index 08ba43506e81..9487c9cd68bd 100644
--- a/drivers/spi/spi-mem.c
+++ b/drivers/spi/spi-mem.c
@@ -547,6 +547,8 @@ void spi_mem_dirmap_destroy(struct spi_mem_dirmap_desc *desc)
 
 	if (!desc->nodirmap && ctlr->mem_ops && ctlr->mem_ops->dirmap_destroy)
 		ctlr->mem_ops->dirmap_destroy(desc);
+
+	kfree(desc);
 }
 EXPORT_SYMBOL_GPL(spi_mem_dirmap_destroy);
 
-- 
2.11.0