From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/drivers/remoteproc/stm32_rproc.c | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/kernel/drivers/remoteproc/stm32_rproc.c b/kernel/drivers/remoteproc/stm32_rproc.c
index d2414cc..df784fe 100644
--- a/kernel/drivers/remoteproc/stm32_rproc.c
+++ b/kernel/drivers/remoteproc/stm32_rproc.c
@@ -231,11 +231,13 @@
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;
@@ -262,8 +264,10 @@
it.node->name);
}
- if (!mem)
+ if (!mem) {
+ of_node_put(it.node);
return -ENOMEM;
+ }
rproc_add_carveout(rproc, mem);
index++;
@@ -297,8 +301,16 @@
struct stm32_mbox *mb = container_of(work, struct stm32_mbox, vq_work);
struct rproc *rproc = dev_get_drvdata(mb->client.dev);
+ mutex_lock(&rproc->lock);
+
+ if (rproc->state != RPROC_RUNNING)
+ goto unlock_mutex;
+
if (rproc_vq_interrupt(rproc, mb->vq_id) == IRQ_NONE)
dev_dbg(&rproc->dev, "no message found in vq%d\n", mb->vq_id);
+
+unlock_mutex:
+ mutex_unlock(&rproc->lock);
}
static void stm32_rproc_mb_callback(struct mbox_client *cl, void *data)
--
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