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authorNavid Emamdoost <navid.emamdoost@gmail.com>2019-10-04 13:58:43 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-10 11:34:22 +0100
commiteec2a09f89ffe4285a783775b9c967601c993cd0 (patch)
tree0376cace277322c999299c8a9be0c7d173ec072c
parentdd45d60ecaf78d26a1af4ac3d20afd1cfc18d65f (diff)
of: unittest: fix memory leak in unittest_data_add
[ Upstream commit e13de8fe0d6a51341671bbe384826d527afe8d44 ] In unittest_data_add, a copy buffer is created via kmemdup. This buffer is leaked if of_fdt_unflatten_tree fails. The release for the unittest_data buffer is added. Fixes: b951f9dc7f25 ("Enabling OF selftest to run without machine's devicetree") Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Reviewed-by: Frank Rowand <frowand.list@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/of/unittest.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index e6b175370f2e..8b7bd4822465 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1205,6 +1205,7 @@ static int __init unittest_data_add(void)
of_fdt_unflatten_tree(unittest_data, NULL, &unittest_data_node);
if (!unittest_data_node) {
pr_warn("%s: No tree to attach; not running tests\n", __func__);
+ kfree(unittest_data);
return -ENODATA;
}