From: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
commit 8a74918948b40317a5b5bab9739d13dcb5de2784 upstream.
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: 3df52ed7f269 ("remoteproc: st: add reserved memory support")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230320221826.2728078-3-mathieu.poirier@xxxxxxxxxx
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/remoteproc/st_remoteproc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/remoteproc/st_remoteproc.c
+++ b/drivers/remoteproc/st_remoteproc.c
@@ -129,6 +129,7 @@ static int st_rproc_parse_fw(struct rpro
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;
}
@@ -150,8 +151,10 @@ static int st_rproc_parse_fw(struct rpro
it.node->name);
}
- if (!mem)
+ if (!mem) {
+ of_node_put(it.node);
return -ENOMEM;
+ }
rproc_add_carveout(rproc, mem);
index++;
