diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index fbfcc80094329e561c7dfaa0fd3e411144503a49..b39844adea47a333f52079abbefa2ee0186bb13b 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -192,6 +192,11 @@ static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t int ret = 0, len; unsigned char report_number; + if (!hidraw_table[minor] || !hidraw_table[minor]->exist) { + ret = -ENODEV; + goto out; + } + dev = hidraw_table[minor]->hid; if (!dev->ll_driver->raw_request) {