Re: [PATCH] hw_random: core, sleep interruptible in read

From: Herbert Xu
Date: Fri Nov 27 2015 - 08:06:59 EST


On Thu, Nov 26, 2015 at 08:56:29PM +0100, Jiri Slaby wrote:
>
> diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
> index a064237ff362..f003df162e09 100644
> --- a/drivers/char/hw_random/core.c
> +++ b/drivers/char/hw_random/core.c
> @@ -238,7 +238,10 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
> goto out;
> }
>
> - mutex_lock(&reading_mutex);
> + if (mutex_lock_interruptible(&reading_mutex)) {
> + err = -EINTR;

Shouldn't this be ERESTARTSYS?

Thanks,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/