lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sun, 19 Mar 2023 20:52:27 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Danny Kaehn <kaehndan@...il.com>, Benjamin Tissoires <benjamin.tissoires@...hat.com>, Sasha Levin <sashal@...nel.org>, jikos@...nel.org, linux-input@...r.kernel.org Subject: [PATCH AUTOSEL 6.2 02/30] HID: cp2112: Fix driver not registering GPIO IRQ chip as threaded From: Danny Kaehn <kaehndan@...il.com> [ Upstream commit 37f5b858a66543b2b67c0288280af623985abc29 ] The CP2112 generates interrupts from a polling routine on a thread, and can only support threaded interrupts. This patch configures the gpiochip irq chip with this flag, disallowing consumers to request a hard IRQ from this driver, which resulted in a segfault previously. Signed-off-by: Danny Kaehn <kaehndan@...il.com> Link: https://lore.kernel.org/r/20230210170044.11835-1-kaehndan@gmail.com Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/hid/hid-cp2112.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index 1e16b0fa310d1..27cadadda7c9d 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -1354,6 +1354,7 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id) girq->parents = NULL; girq->default_type = IRQ_TYPE_NONE; girq->handler = handle_simple_irq; + girq->threaded = true; ret = gpiochip_add_data(&dev->gc, dev); if (ret < 0) { -- 2.39.2
Powered by blists - more mailing lists