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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 11:21:09 +0100
commit265c6b8ab54cf46ac4e3c768f2be1489dc13a494 (patch)
tree36a61c85b5c823242f9bb73e780d8eb20fdd6f8e
parent5500494160247be0356bd7235f37093362061125 (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 2eac3df7dd29..af9e4785b7a6 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -924,6 +924,7 @@ static int __init unittest_data_add(void)
of_fdt_unflatten_tree(unittest_data, &unittest_data_node);
if (!unittest_data_node) {
pr_warn("%s: No tree to attach; not running tests\n", __func__);
+ kfree(unittest_data);
return -ENODATA;
}
of_node_set_flag(unittest_data_node, OF_DETACHED);