| Date | Thu, 15 Aug 2019 11:06:37 -0700 | From | Guenter Roeck <> | Subject | Re: [PATCH v5 05/18] watchdog: cpwd: use generic compat_ptr_ioctl |
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On Wed, Aug 14, 2019 at 10:42:32PM +0200, Arnd Bergmann wrote: > The cpwd_compat_ioctl() contains a bogus mutex that dates > back to a leftover BKL instance. > > Simplify the implementation by using the new compat_ptr_ioctl() > helper function that will do the right thing for all calls > here. > > Note that WIOCSTART/WIOCSTOP don't take any arguments, so > the compat_ptr() conversion is not needed here, but it also > doesn't hurt. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
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