Messages in this thread Patch in this message | | | From | Ioana Ciornei <> | Subject | [PATCH 1/2] soc: fsl: dpio: cleanup the cpu array on dpaa2_io_down | Date | Mon, 5 Nov 2018 09:30:32 +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> --- 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/dpio-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] = NULL; + list_del(&d->node); + spin_unlock(&dpio_list_lock); + kfree(d); } -- 1.9.1
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