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From d9b576917a1d0efa293801a264150a1b37691617 Mon Sep 17 00:00:00 2001
From: Zhen Lei <thunder.leizhen@huawei.com>
Date: Mon, 24 May 2021 11:52:42 -0700
Subject: [PATCH] Input: hil_kbd - fix error return code in hil_dev_connect()
Git-commit: d9b576917a1d0efa293801a264150a1b37691617
Patch-mainline: v5.14-rc1
References: git-fixes

Return error code -EINVAL rather than '0' when the combo devices are not
supported.

Fixes: fa71c605c2bb ("Input: combine hil_kbd and hil_ptr drivers")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20210515030053.6824-1-thunder.leizhen@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/input/keyboard/hil_kbd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index bb29a7c9a1c0..54afb38601b9 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -512,6 +512,7 @@ static int hil_dev_connect(struct serio *serio, struct serio_driver *drv)
 		    HIL_IDD_NUM_AXES_PER_SET(*idd)) {
 			printk(KERN_INFO PREFIX
 				"combo devices are not supported.\n");
+			error = -EINVAL;
 			goto bail1;
 		}
 
-- 
2.26.2