drm/i915: Fix memleak in runtime wakeref tracking
authorMika Kuoppala <mika.kuoppala@linux.intel.com>
Mon, 1 Jul 2019 10:44:42 +0000 (13:44 +0300)
committerChris Wilson <chris@chris-wilson.co.uk>
Tue, 2 Jul 2019 15:00:20 +0000 (16:00 +0100)
commitc5f846eed2a1856b78e988eeef08215c70598ecd
tree55379322d258f055eea40b4670de8af32bdabc72
parent3fe0107e45ab396342497e06b8924cdd485cde3b
drm/i915: Fix memleak in runtime wakeref tracking

If we untrack wakerefs, the actual count may reach zero.
However the krealloced owners array is still there and
needs to be taken care of. Free the owners unconditionally
to fix the leak.

Fixes: bd780f37a361 ("drm/i915: Track all held rpm wakerefs")
Reported-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Cc: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190701104442.9319-1-mika.kuoppala@linux.intel.com
drivers/gpu/drm/i915/intel_runtime_pm.c