diff mbox series

[1/3] usb: chipdea: core: don't return -EINVAL if request role is the same with current role

Message ID 20221130070604.2439061-1-xu.yang_2@nxp.com
State Superseded
Headers show
Series [1/3] usb: chipdea: core: don't return -EINVAL if request role is the same with current role | expand

Commit Message

Xu Yang Nov. 30, 2022, 7:06 a.m. UTC 
It should not return -EINVAL if the request role is the same with current
role, return non-error and without do anything instead.

Fixes: a932a8041ff9 ("usb: chipidea: core: add sysfs group")
cc: <stable@vger.kernel.org>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
---
 drivers/usb/chipidea/core.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 484b1cd23431..fcb175b22188 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -984,9 +984,12 @@  static ssize_t role_store(struct device *dev,
 			     strlen(ci->roles[role]->name)))
 			break;
 
-	if (role == CI_ROLE_END || role == ci->role)
+	if (role == CI_ROLE_END)
 		return -EINVAL;
 
+	if (role == ci->role)
+		return n;
+
 	pm_runtime_get_sync(dev);
 	disable_irq(ci->irq);
 	ci_role_stop(ci);