Messages in this thread | | | Date | Tue, 20 Sep 2016 18:08:55 +0200 | From | Borislav Petkov <> | Subject | Re: [tip:smp/hotplug] cpufreq: Fix up conversion to hotplug state machine |
| |
On Tue, Sep 20, 2016 at 08:07:08AM -0700, tip-bot for Sebastian Andrzej Siewior wrote: > Commit-ID: 5372e054a1928fe704cf0a5e2e139645a777b50a > Gitweb: http://git.kernel.org/tip/5372e054a1928fe704cf0a5e2e139645a777b50a > Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> > AuthorDate: Tue, 20 Sep 2016 16:56:28 +0200 > Committer: Thomas Gleixner <tglx@linutronix.de> > CommitDate: Tue, 20 Sep 2016 16:59:21 +0200 > > cpufreq: Fix up conversion to hotplug state machine > > The function cpufreq_register_driver() returns zero on success and since > commit 27622b061eb4 ("cpufreq: Convert to hotplug state machine") > erroneously a positive number. Due to the "if (x) assume_error" construct > all callers assumed an error and as a consequence the cpu freq kworker > crashes with a NULL pointer dereference. > > Reset the return value back to zero in the success case. > > Fixes: 27622b061eb4 ("cpufreq: Convert to hotplug state machine") > Reported-by: Borislav Petkov <bp@alien8.de>
-and-tested-by: me.
Thanks!
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply.
| |