Re: [PATCH] cpufreq: fix a NULL pointer dereference triggered by _PPC changed notification

2014-12-17 Thread Viresh Kumar
On 18 December 2014 at 06:38, Ethan Zhao wrote: > If _PPC changed notification happens before governor was initiated while > kernel > is booting, a NULL pointer dereference will be triggered: > > BUG: unable to handle kernel NULL pointer dereference at 0030 > IP: [] __cpufreq_governo

[PATCH] cpufreq: fix a NULL pointer dereference triggered by _PPC changed notification

2014-12-17 Thread Ethan Zhao
If _PPC changed notification happens before governor was initiated while kernel is booting, a NULL pointer dereference will be triggered: BUG: unable to handle kernel NULL pointer dereference at 0030 IP: [] __cpufreq_governor+0x23/0x1e0 PGD 0 Oops: [#1] SMP ... ... RIP: 0010: