[PATCH 5.4 14/85] Platform: OLPC: Fix memleak in olpc_ec_probe

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From: Dinghao Liu <dinghao.liu@xxxxxxxxxx>

commit 4fd9ac6bd3044734a7028bd993944c3617d1eede upstream.

When devm_regulator_register() fails, ec should be
freed just like when olpc_ec_cmd() fails.

Fixes: 231c0c216172a ("Platform: OLPC: Add a regulator for the DCON")
Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/platform/olpc/olpc-ec.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/platform/olpc/olpc-ec.c
+++ b/drivers/platform/olpc/olpc-ec.c
@@ -439,7 +439,9 @@ static int olpc_ec_probe(struct platform
 								&config);
 	if (IS_ERR(ec->dcon_rdev)) {
 		dev_err(&pdev->dev, "failed to register DCON regulator\n");
-		return PTR_ERR(ec->dcon_rdev);
+		err = PTR_ERR(ec->dcon_rdev);
+		kfree(ec);
+		return err;
 	}
 
 	ec->dbgfs_dir = olpc_ec_setup_debugfs();





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