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Message-Id: <20211202095334.14399-3-benjamin.tissoires@redhat.com>
Date: Thu, 2 Dec 2021 10:53:32 +0100
From: Benjamin Tissoires <benjamin.tissoires@...hat.com>
To: Jiri Kosina <jikos@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
Benjamin Tissoires <benjamin.tissoires@...hat.com>
Subject: [PATCH 2/4] HID: bigbenff: prevent null pointer dereference
When emulating the device through uhid, there is a chance we don't have
output reports and so report_field is null.
Cc: stable@...r.kernel.org
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
---
drivers/hid/hid-bigbenff.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hid/hid-bigbenff.c b/drivers/hid/hid-bigbenff.c
index db6da21ade06..74ad8bf98bfd 100644
--- a/drivers/hid/hid-bigbenff.c
+++ b/drivers/hid/hid-bigbenff.c
@@ -191,7 +191,7 @@ static void bigben_worker(struct work_struct *work)
struct bigben_device, worker);
struct hid_field *report_field = bigben->report->field[0];
- if (bigben->removed)
+ if (bigben->removed || !report_field)
return;
if (bigben->work_led) {
--
2.33.1
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