Commit c1959066 authored by Dan Carpenter's avatar Dan Carpenter Committed by Li Yang

soc: fsl: dpio: Use after free in dpaa2_dpio_remove()

The dpaa2_io_down(priv->io) call frees "priv->io" so I've shifted the
code around a little bit to avoid the use after free.

Fixes: 991e8732 ("soc: fsl: dpio: use a cpumask to identify which cpus are unused")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarLi Yang <leoyang.li@nxp.com>
parent 3c0d64e8
......@@ -220,12 +220,12 @@ static int dpaa2_dpio_remove(struct fsl_mc_device *dpio_dev)
dev = &dpio_dev->dev;
priv = dev_get_drvdata(dev);
cpu = dpaa2_io_get_cpu(priv->io);
dpaa2_io_down(priv->io);
dpio_teardown_irqs(dpio_dev);
cpu = dpaa2_io_get_cpu(priv->io);
cpumask_set_cpu(cpu, cpus_unused_mask);
err = dpio_open(dpio_dev->mc_io, 0, dpio_dev->obj_desc.id,
......
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