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From:   Ioana Ciornei <ioana.ciornei@nxp.com>
To:     Roy Pledge <roy.pledge@nxp.com>,
        Youri Querry <youri.querry_1@nxp.com>,
        Leo Li <leoyang.li@nxp.com>
CC:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
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        Ioana Ciocoi Radulescu <ruxandra.radulescu@nxp.com>,
        Horia Geanta <horia.geanta@nxp.com>,
        Ioana Ciornei <ioana.ciornei@nxp.com>
Subject: [PATCH v2 1/2] soc: fsl: dpio: cleanup the cpu array on dpaa2_io_down
Thread-Topic: [PATCH v2 1/2] soc: fsl: dpio: cleanup the cpu array on
 dpaa2_io_down
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Date:   Tue, 4 Dec 2018 11:20:27 +0000
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The dpio_by_cpu array should not contain a reference to a freed dpaa2_io
object. This patch adds the necessary cleanup in dpaa2_io_down.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
Changes in v2:
  - none

 drivers/soc/fsl/dpio/dpio-service.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/soc/fsl/dpio/dpio-service.c b/drivers/soc/fsl/dpio/dpi=
o-service.c
index 9b17f72..21c3e32 100644
--- a/drivers/soc/fsl/dpio/dpio-service.c
+++ b/drivers/soc/fsl/dpio/dpio-service.c
@@ -160,6 +160,11 @@ struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io=
_desc *desc)
  */
 void dpaa2_io_down(struct dpaa2_io *d)
 {
+	spin_lock(&dpio_list_lock);
+	dpio_by_cpu[d->dpio_desc.cpu] =3D NULL;
+	list_del(&d->node);
+	spin_unlock(&dpio_list_lock);
+
 	kfree(d);
 }
=20
--=20
1.9.1