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: 13140de09cc2 ("remoteproc: stm32: add an ST stm32_rproc driver")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
---
drivers/remoteproc/stm32_rproc.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 7d782ed9e589..23c1690b8d73 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -223,11 +223,13 @@ static int stm32_rproc_prepare(struct rproc *rproc)
while (of_phandle_iterator_next(&it) == 0) {
rmem = of_reserved_mem_lookup(it.node);
if (!rmem) {
+ of_node_put(it.node);
dev_err(dev, "unable to acquire memory-region\n");
return -EINVAL;
}
if (stm32_rproc_pa_to_da(rproc, rmem->base, &da) < 0) {
+ of_node_put(it.node);
dev_err(dev, "memory region not valid %pa\n",
&rmem->base);
return -EINVAL;
@@ -254,8 +256,10 @@ static int stm32_rproc_prepare(struct rproc *rproc)
it.node->name);
}
- if (!mem)
+ if (!mem) {
+ of_node_put(it.node);
return -ENOMEM;
+ }
rproc_add_carveout(rproc, mem);
index++;
--
2.25.1
