diff mbox series

[v1,1/1] usg: gadget: Move validation out of lock in webusb_bcdVersion_store()

Message ID 20230127112638.84806-1-andriy.shevchenko@linux.intel.com (mailing list archive)
State Accepted
Commit 582cef438551ca6373f8c3901a15947b2c9643b9
Headers show
Series [v1,1/1] usg: gadget: Move validation out of lock in webusb_bcdVersion_store() | expand

Commit Message

Andy Shevchenko Jan. 27, 2023, 11:26 a.m. UTC
Validation has nothing to do with any protected data,
move it out of the lock and make code neater.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/usb/gadget/configfs.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 63dc15b4f6d8..1346b330b358 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -836,19 +836,15 @@  static ssize_t webusb_bcdVersion_store(struct config_item *item,
 	if (ret)
 		return ret;
 
-	mutex_lock(&gi->lock);
-
 	ret = is_valid_bcd(bcdVersion);
 	if (ret)
-		goto out;
+		return ret;
 
+	mutex_lock(&gi->lock);
 	gi->bcd_webusb_version = bcdVersion;
-	ret = len;
-
-out:
 	mutex_unlock(&gi->lock);
 
-	return ret;
+	return len;
 }
 
 static ssize_t webusb_bVendorCode_show(struct config_item *item, char *page)