From f8bae637d3d5e082b4ced71e28b16eb3ee0683c1 Mon Sep 17 00:00:00 2001 From: Mathieu Poirier Date: Mon, 20 Mar 2023 16:18:24 -0600 Subject: [PATCH] remoteproc: rcar_rproc: Call of_node_put() on iteration error Function of_phandle_iterator_next() calls of_node_put() on the last device_node it iterated over, but when the loop exits prematurely it has to be called explicitly. Fixes: 285892a74f13 ("remoteproc: Add Renesas rcar driver") Cc: stable@vger.kernel.org Signed-off-by: Mathieu Poirier Link: https://lore.kernel.org/r/20230320221826.2728078-4-mathieu.poirier@linaro.org Signed-off-by: Mathieu Poirier --- drivers/remoteproc/rcar_rproc.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/rcar_rproc.c b/drivers/remoteproc/rcar_rproc.c index aa86154..1ff2a73 100644 --- a/drivers/remoteproc/rcar_rproc.c +++ b/drivers/remoteproc/rcar_rproc.c @@ -62,13 +62,16 @@ static int rcar_rproc_prepare(struct rproc *rproc) rmem = of_reserved_mem_lookup(it.node); if (!rmem) { + of_node_put(it.node); dev_err(&rproc->dev, "unable to acquire memory-region\n"); return -EINVAL; } - if (rmem->base > U32_MAX) + if (rmem->base > U32_MAX) { + of_node_put(it.node); return -EINVAL; + } /* No need to translate pa to da, R-Car use same map */ da = rmem->base; @@ -79,8 +82,10 @@ static int rcar_rproc_prepare(struct rproc *rproc) rcar_rproc_mem_release, it.node->name); - if (!mem) + if (!mem) { + of_node_put(it.node); return -ENOMEM; + } rproc_add_carveout(rproc, mem); } -- 2.7.4