2018-07-16 15:40 GMT+02:00 Linus Walleij <linus.walleij@xxxxxxxxxx>: > On Mon, Jul 16, 2018 at 10:34 AM Bartosz Golaszewski <brgl@xxxxxxxx> wrote: > >> User space can currently both read and set values of input lines using >> the character device. This was not allowed by the old sysfs interface >> nor is it a correct behavior. >> >> Check the first descriptor in the set for the OUT flag when asked to >> set values and return -EPERM if the line is input. >> >> Signed-off-by: Bartosz Golaszewski <brgl@xxxxxxxx> > > Patch applied! Thanks for fixing this. > Thanks. Do you think we should Cc stable on that one? Bart -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH 1/2] gpiolib: don't allow userspace to set values of input lines
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- Subject: Re: [PATCH 1/2] gpiolib: don't allow userspace to set values of input lines
- From: Bartosz Golaszewski <brgl@xxxxxxxx>
- Date: Mon, 16 Jul 2018 16:13:17 +0200
- In-reply-to: <CACRpkdaWGwhJ1D683R+7TV0JsUg-pNYZ2xm_0+16O2NgnBo+4g@mail.gmail.com>
- References: <20180716083424.11157-1-brgl@bgdev.pl> <20180716083424.11157-2-brgl@bgdev.pl> <CACRpkdaWGwhJ1D683R+7TV0JsUg-pNYZ2xm_0+16O2NgnBo+4g@mail.gmail.com>
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