diff mbox series

[v1,2/5] usb: fotg210-hcd: Don't shadow error codes in store()

Message ID 20230120154437.22025-2-andriy.shevchenko@linux.intel.com (mailing list archive)
State Accepted
Commit 7159deb7622741efc1730ffb24df707384db73bb
Headers show
Series [v1,1/5] usb: fotg210-hcd: use sysfs_emit() to instead of scnprintf() | expand

Commit Message

Andy Shevchenko Jan. 20, 2023, 3:44 p.m. UTC
kstrtox() along with regmap API can return different error codes based on
circumstances.

Don't shadow them when returning to the caller.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/usb/fotg210/fotg210-hcd.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Comments

Linus Walleij Jan. 26, 2023, 8 p.m. UTC | #1
On Fri, Jan 20, 2023 at 4:44 PM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:

> kstrtox() along with regmap API can return different error codes based on
> circumstances.
>
> Don't shadow them when returning to the caller.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij
diff mbox series

Patch

diff --git a/drivers/usb/fotg210/fotg210-hcd.c b/drivers/usb/fotg210/fotg210-hcd.c
index 46752a75c428..5a934f5343a7 100644
--- a/drivers/usb/fotg210/fotg210-hcd.c
+++ b/drivers/usb/fotg210/fotg210-hcd.c
@@ -4702,8 +4702,10 @@  static ssize_t uframe_periodic_max_store(struct device *dev,
 	ssize_t ret;
 
 	fotg210 = hcd_to_fotg210(bus_to_hcd(dev_get_drvdata(dev)));
-	if (kstrtouint(buf, 0, &uframe_periodic_max) < 0)
-		return -EINVAL;
+
+	ret = kstrtouint(buf, 0, &uframe_periodic_max);
+	if (ret)
+		return ret;
 
 	if (uframe_periodic_max < 100 || uframe_periodic_max >= 125) {
 		fotg210_info(fotg210, "rejecting invalid request for uframe_periodic_max=%u\n",