diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/ff-core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c index eab56c0aacd5..8f2042432c85 100644 --- a/drivers/input/ff-core.c +++ b/drivers/input/ff-core.c @@ -318,6 +318,11 @@ int input_ff_create(struct input_dev *dev, unsigned int max_effects) return -EINVAL; } + if (max_effects > FF_MAX_EFFECTS) { + dev_err(&dev->dev, "cannot allocate more than FF_MAX_EFFECTS effects\n"); + return -EINVAL; + } + ff_dev_size = sizeof(struct ff_device) + max_effects * sizeof(struct file *); if (ff_dev_size < max_effects) /* overflow */ |