From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/rapidio/devices/rio_mport_cdev.c | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/kernel/drivers/rapidio/devices/rio_mport_cdev.c b/kernel/drivers/rapidio/devices/rio_mport_cdev.c
index 94331d9..5ac2dc1 100644
--- a/kernel/drivers/rapidio/devices/rio_mport_cdev.c
+++ b/kernel/drivers/rapidio/devices/rio_mport_cdev.c
@@ -1803,8 +1803,11 @@
rio_init_dbell_res(&rdev->riores[RIO_DOORBELL_RESOURCE],
0, 0xffff);
err = rio_add_device(rdev);
- if (err)
- goto cleanup;
+ if (err) {
+ put_device(&rdev->dev);
+ return err;
+ }
+
rio_dev_get(rdev);
return 0;
@@ -1900,10 +1903,6 @@
priv->md = chdev;
- mutex_lock(&chdev->file_mutex);
- list_add_tail(&priv->list, &chdev->file_list);
- mutex_unlock(&chdev->file_mutex);
-
INIT_LIST_HEAD(&priv->db_filters);
INIT_LIST_HEAD(&priv->pw_filters);
spin_lock_init(&priv->fifo_lock);
@@ -1912,6 +1911,7 @@
sizeof(struct rio_event) * MPORT_EVENT_DEPTH,
GFP_KERNEL);
if (ret < 0) {
+ put_device(&chdev->dev);
dev_err(&chdev->dev, DRV_NAME ": kfifo_alloc failed\n");
ret = -ENOMEM;
goto err_fifo;
@@ -1922,6 +1922,9 @@
spin_lock_init(&priv->req_lock);
mutex_init(&priv->dma_lock);
#endif
+ mutex_lock(&chdev->file_mutex);
+ list_add_tail(&priv->list, &chdev->file_list);
+ mutex_unlock(&chdev->file_mutex);
filp->private_data = priv;
goto out;
--
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