From: Dmitry Torokhov <dtor_core@ameritech.net>
Date: Mon, 31 Oct 2005 06:29:37 +0000 (-0500)
Subject: Input: evdev - allow querying SW state from compat ioctl
X-Git-Tag: firefly_0821_release~39876^2~68
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7972720aaa044d0bca40e2e1d4c176076a9f0e00;p=firefly-linux-kernel-4.4.55.git

Input: evdev - allow querying SW state from compat ioctl

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---

diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index d64d0290a7c7..9f2352bd8348 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -580,6 +580,9 @@ static long evdev_ioctl_compat(struct file *file, unsigned int cmd, unsigned lon
 				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0)))
 					bit_to_user(dev->snd, SND_MAX);
 
+				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSW(0)))
+					bit_to_user(dev->sw, SW_MAX);
+
 				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) {
 					int len;
 					if (!dev->name) return -ENOENT;