[PATCH] HID: u2fzero: handle errors of u2fzero_fill_in_urb() in probe
From: Evgeny Novikov
Date: Wed Aug 05 2020 - 12:37:50 EST
u2fzero_probe() does not handle errors of u2fzero_fill_in_urb(). The
patch fixes that.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Evgeny Novikov <novikov@xxxxxxxxx>
---
drivers/hid/hid-u2fzero.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/hid/hid-u2fzero.c b/drivers/hid/hid-u2fzero.c
index 95e0807878c7..0632f6c3aa66 100644
--- a/drivers/hid/hid-u2fzero.c
+++ b/drivers/hid/hid-u2fzero.c
@@ -315,7 +315,11 @@ static int u2fzero_probe(struct hid_device *hdev,
if (ret)
return ret;
- u2fzero_fill_in_urb(dev);
+ ret = u2fzero_fill_in_urb(dev);
+ if (ret) {
+ hid_hw_stop(hdev);
+ return ret;
+ }
dev->present = true;
--
2.26.2