| commit | 10e7ac22cdd4d211cef99afcb9371b70cb175be6 | [log] [tgz] |
|---|---|---|
| author | Michael S. Tsirkin <mst@redhat.com> | Sun Feb 28 17:44:09 2016 +0200 |
| committer | Wim Van Sebroeck <wim@iguana.be> | Tue Mar 01 15:29:42 2016 +0100 |
| tree | bf9e63aa2829e06b7ac29d125d7db8712ae850fd | |
| parent | 972ec3510330c9d639c0dd72960e9aa02915855c [diff] |
watchdog: rc32434_wdt: fix ioctl error handling Calling return copy_to_user(...) in an ioctl will not do the right thing if there's a pagefault: copy_to_user returns the number of bytes not copied in this case. Fix up watchdog/rc32434_wdt to do return copy_to_user(...)) ? -EFAULT : 0; instead. Cc: stable@vger.kernel.org Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>