[PATCH 6.6 063/567] mailbox: Use dev_err when there is error

Greg Kroah-Hartman
2026-03-23T14:54:19Z

6.6-stable review patch. If anyone has any objections, please let me know.

------------------

From: Peng Fan <peng.fan@nxp.com>

[ Upstream commit 8da4988b6e645f3eaa590ea16f433583364fd09c ]

Use dev_err to show the error log instead of using dev_dbg.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
Stable-dep-of: fcd7f96c7836 ("mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/mailbox/mailbox.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index 693975a87e19e..4c27de9514e55 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -322,7 +322,7 @@ static int __mbox_bind_client(struct mbox_chan *chan, struct mbox_client *cl)
int ret;

if (chan->cl || !try_module_get(chan->mbox->dev->driver->owner)) {
- dev_dbg(dev, "%s: mailbox not free\n", __func__);
+ dev_err(dev, "%s: mailbox not free\n", __func__);
return -EBUSY;
}

@@ -413,7 +413,7 @@ struct mbox_chan *mbox_request_channel(struct mbox_client *cl, int index)
ret = of_parse_phandle_with_args(dev->of_node, "mboxes", "#mbox-cells",
index, &spec);
if (ret) {
- dev_dbg(dev, "%s: can't parse \"mboxes\" property\n", __func__);
+ dev_err(dev, "%s: can't parse \"mboxes\" property\n", __func__);
return ERR_PTR(ret);
}

--
2.51.0