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dsp: avtimer: add __user attribute to identify userspace address

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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 <benyxy@codeaurora.org>
This commit is contained in:
Xiaoyu Ye 2018-04-26 11:48:31 -07:00
parent d88c1e68dc
commit b424e05893
1 changed files with 1 additions and 1 deletions
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2
dsp/avtimer.c
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@ -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;