Re: [PATCH v2 3/7] hwrng: core: Simplify RNG switching from sysfs

From: Peter Korsgaard
Date: Thu Sep 17 2015 - 10:08:48 EST


>>>>> "Lee" == Lee Jones <lee.jones@xxxxxxxxxx> writes:

> If we attempt to use sysfs to change the current RNG in the usual
> way i.e. issuing something like:

> `echo 8a8a000.rng > /sys/devices/virtual/misc/hw_random/rng_current`

> ... it will fail because the code doesn't currently take the '\n'
> into consideration. Well, now it does.

> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
> ---
> drivers/char/hw_random/core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

> diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
> index da8faf7..2d4a969 100644
> --- a/drivers/char/hw_random/core.c
> +++ b/drivers/char/hw_random/core.c
> @@ -323,7 +323,7 @@ static ssize_t hwrng_attr_current_store(struct device *dev,
> return -ERESTARTSYS;
> err = -ENODEV;
> list_for_each_entry(rng, &rng_list, list) {
> - if (strcmp(rng->name, buf) == 0) {
> + if (sysfs_streq(rng->name, buf)) {

Looks good.

Acked-by: Peter Korsgaard <peter@xxxxxxxxxxxxx>

--
Venlig hilsen,
Peter Korsgaard
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