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-rw-r--r--drivers/input/evdev.c3
1 files changed, 3 insertions, 0 deletions
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;