commit bfecfd6e23bf677c85828eb20fa4b13a18bffe23
author Boris Brezillon <bbrezillon@kernel.org> Sat Jan 19 15:57:57 2019 +0100
committer Mark Brown <broonie@kernel.org> Mon Jan 21 17:57:14 2019 +0000
tree 818c65255f644de45463589a02ef38d3d056cac1
parent 5c0c4ec9ba61a98ecb79036afc013bba8d5b85e3

spi: spi-mem: Fix a memory leak in spi_mem_dirmap_destroy()

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>

drivers/spi/spi-mem.c

diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c
index 08ba435..9487c9c 100644
--- a/drivers/spi/spi-mem.c
+++ b/drivers/spi/spi-mem.c
@@ -547,6 +547,8 @@
 
 	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);