> Hi Andi,
> I grepped and tried to do what you suggested.
> The first file that git grep reported was:
> arch/arm/common/rtctime.c:static const struct file_operations rtc_fops = {
>
> So I cooked up the following patch (probably mangled, just to give you
> a rough idea of what I did):
> diff --git a/arch/arm/common/rtctime.c b/arch/arm/common/rtctime.c
> index bf1075e..19dedb5 100644
> --- a/arch/arm/common/rtctime.c
> +++ b/arch/arm/common/rtctime.c
> @@ -189,13 +189,16 @@ static int rtc_ioctl(struct inode *inode, struct
> file *file, unsigned int cmd,
> if (ret)
> break;
> ret = copy_to_user(uarg, &alrm.time, sizeof(tm));
> - if (ret)
> + if (ret) {
> + unlock_kernel();
> ret = -EFAULT;
> + }
> break;
Just put unlock kernel near return ret;...
--
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