* [PATCH v1 1/1] usg: gadget: Move validation out of lock in webusb_bcdVersion_store()
@ 2023-01-27 11:26 Andy Shevchenko
0 siblings, 0 replies; only message in thread
From: Andy Shevchenko @ 2023-01-27 11:26 UTC (permalink / raw)
To: Greg Kroah-Hartman, Jó Ágila Bitsch, Andy Shevchenko,
linux-usb, linux-kernel
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 --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)
--
2.39.0
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2023-01-27 11:28 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-01-27 11:26 [PATCH v1 1/1] usg: gadget: Move validation out of lock in webusb_bcdVersion_store() Andy Shevchenko
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.