lkml.org 
[lkml]   [2023]   [Feb]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH -next v2 1/3] driver core: add error handling for devtmpfs_create_node()
Date
In some cases, devtmpfs_create_node() can return error value.
So, make use of it.

Signed-off-by: Longlong Xia <xialonglong1@huawei.com>
---
drivers/base/core.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 7dab705f2937..aaa3088e5456 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3405,7 +3405,9 @@ int device_add(struct device *dev)
if (error)
goto SysEntryError;

- devtmpfs_create_node(dev);
+ error = devtmpfs_create_node(dev);
+ if (error)
+ goto DevtmpfsError;
}

/* Notify clients of device addition. This call must come
@@ -3461,6 +3463,8 @@ int device_add(struct device *dev)
done:
put_device(dev);
return error;
+ DevtmpfsError:
+ device_remove_sys_dev_entry(dev);
SysEntryError:
if (MAJOR(dev->devt))
device_remove_file(dev, &dev_attr_dev);
--
2.25.1
\
 
 \ /
  Last update: 2023-03-27 00:17    [W:0.090 / U:1.956 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site