cpufreq: prevent lockup on reading scaling_available_frequencies
authorSrinivas Pandruvada <[email protected]>
Wed, 7 Oct 2015 20:50:44 +0000 (13:50 -0700)
committerRafael J. Wysocki <[email protected]>
Thu, 8 Oct 2015 19:47:56 +0000 (21:47 +0200)
commit55582bccdc1e89ecc973c260d46e247df675d4df
treeb176a4ab379606a9fb13165c24596be55e035d3b
parente25303676e18a7947185a34e26dd08cf0c0ea573
cpufreq: prevent lockup on reading scaling_available_frequencies

When scaling_available_frequencies is read on an offlined cpu, then
either lockup or junk values are displayed. This is caused by
freed freq_table, which policy is using.

Signed-off-by: Srinivas Pandruvada <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
drivers/cpufreq/cpufreq.c