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From:   Zhen Lei <thunder.leizhen@huawei.com>
To:     Jiri Kosina <jikos@kernel.org>,
        Benjamin Tissoires <benjamin.tissoires@redhat.com>,
        Anssi Hannula <anssi.hannula@gmail.com>,
        Dmitry Torokhov <dtor@mail.ru>,
        linux-usb <linux-usb@vger.kernel.org>,
        linux-input <linux-input@vger.kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>
CC:     Zhen Lei <thunder.leizhen@huawei.com>
Subject: [PATCH 1/1] HID: pidff: fix error return code in hid_pidff_init()
Date:   Sat, 8 May 2021 10:47:37 +0800
Message-ID: <20210508024737.1927-1-thunder.leizhen@huawei.com>
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Precedence: bulk

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 224ee88fe395 ("Input: add force feedback driver for PID devices")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
 drivers/hid/usbhid/hid-pidff.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hid/usbhid/hid-pidff.c b/drivers/hid/usbhid/hid-pidff.c
index ea126c50acc3..3b4ee21cd811 100644
--- a/drivers/hid/usbhid/hid-pidff.c
+++ b/drivers/hid/usbhid/hid-pidff.c
@@ -1292,6 +1292,7 @@ int hid_pidff_init(struct hid_device *hid)
 
 	if (pidff->pool[PID_DEVICE_MANAGED_POOL].value &&
 	    pidff->pool[PID_DEVICE_MANAGED_POOL].value[0] == 0) {
+		error = -EPERM;
 		hid_notice(hid,
 			   "device does not support device managed pool\n");
 		goto fail;
-- 
2.25.1