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-rw-r--r--drivers/input/input.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 6a75bb08b9ff..067d648028a2 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -2091,6 +2091,12 @@ int input_register_device(struct input_dev *dev)
const char *path;
int error;
+ if (test_bit(EV_ABS, dev->evbit) && !dev->absinfo) {
+ dev_err(&dev->dev,
+ "Absolute device without dev->absinfo, refusing to register\n");
+ return -EINVAL;
+ }
+
if (dev->devres_managed) {
devres = devres_alloc(devm_input_device_unregister,
sizeof(struct input_devres), GFP_KERNEL);

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