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8f3347a59856f4e4aa114b60e201796a54d77e29
commit 963b2e8c428f79489ceeb058e8314554ec9cbe6f upstream. drm_gem_prime_mmap() takes a reference on the GEM object, but before that drm_gem_mmap_obj() already takes a reference, which will be leaked as only one reference is dropped when the mapping is closed. Drop the extra reference when dma_buf_mmap() succeeds. Cc: stable@vger.kernel.org Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Please follow buildroot tips to startup T-HEAD C9xx CPU's boards: T-HEAD buildroot
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