From e181a569d8e52d5a5c91cf2ddc3ebcfb81163887 Mon Sep 17 00:00:00 2001 From: Ioana Ciornei Date: Tue, 4 Dec 2018 11:20:27 +0000 Subject: soc: fsl: dpio: cleanup the cpu array on dpaa2_io_down 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 Signed-off-by: Li Yang --- drivers/soc/fsl/dpio/dpio-service.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/soc/fsl') diff --git a/drivers/soc/fsl/dpio/dpio-service.c b/drivers/soc/fsl/dpio/dpio-service.c index ec0837ff039a..ab046f241d32 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); } -- cgit v1.2.3