Stupid userspace (there is no evil userspace in debugfs by assumption) might provoke a leak since we allocate the new array without holding any locks. Drop in an unconditional kfree to deal with this - kfree can handle NULL.
Cc: Ville Syrjälä <[email protected]> Signed-off-by: Daniel Vetter <[email protected]> --- drivers/gpu/drm/i915/i915_debugfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 72bb5aef9590..923e7575bb53 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -3433,6 +3433,7 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe, hsw_disable_ips(crtc); spin_lock_irq(&pipe_crc->lock); + kfree(pipe_crc->entries); pipe_crc->entries = entries; pipe_crc->head = 0; pipe_crc->tail = 0; -- 2.1.1 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
