From b424e05893c69bfdec7871924968420f8e1a14d8 Mon Sep 17 00:00:00 2001 From: Xiaoyu Ye Date: Thu, 26 Apr 2018 11:48:31 -0700 Subject: [PATCH] dsp: avtimer: add __user attribute to identify userspace address Add __user attribute for avtimer_ioctl's input parameter ioctl_param to explicitly identify user space pointer in copy_to_user. Change-Id: I59fa9d39e5ec3ff9cde3a06af9da2d38e36d557d Signed-off-by: Xiaoyu Ye --- dsp/avtimer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/dsp/avtimer.c b/dsp/avtimer.c index b6833ed788b2..c9ef9f4a8ac9 100644 --- a/dsp/avtimer.c +++ b/dsp/avtimer.c @@ -345,7 +345,7 @@ static long avtimer_ioctl(struct file *file, unsigned int ioctl_num, pr_debug_ratelimited("%s: AV Timer tick: time %llx\n", __func__, avtimer_tick); - if (copy_to_user((void *) ioctl_param, &avtimer_tick, + if (copy_to_user((void __user *)ioctl_param, &avtimer_tick, sizeof(avtimer_tick))) { pr_err("%s: copy_to_user failed\n", __func__); return -EFAULT;