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authorMathieu Poirier <mathieu.poirier@linaro.org>2023-03-21 01:18:24 +0300
committerMathieu Poirier <mathieu.poirier@linaro.org>2023-04-03 19:50:47 +0300
commitf8bae637d3d5e082b4ced71e28b16eb3ee0683c1 (patch)
tree2d1826925e2797dea8800dc2b0d7031c9ae9baa5 /drivers/remoteproc
parent8a74918948b40317a5b5bab9739d13dcb5de2784 (diff)
downloadlinux-f8bae637d3d5e082b4ced71e28b16eb3ee0683c1.tar.xz
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 <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/20230320221826.2728078-4-mathieu.poirier@linaro.org Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Diffstat (limited to 'drivers/remoteproc')
-rw-r--r--drivers/remoteproc/rcar_rproc.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/remoteproc/rcar_rproc.c b/drivers/remoteproc/rcar_rproc.c
index aa86154109c7..1ff2a73ade90 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);
}