drm/i915: Fix pid leak with banned clients
Get_pid_task() needs to be paired with a put_pid or we leak a pid reference every time a banned client tries to create a context. v2: * task_pid_nr helper exists! (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Fixes: b083a087 ("drm/i915: Add per client max context ban limit") Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@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/20191217170933.8108-1-tvrtko.ursulin@linux.intel.com
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