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    Subject[PATCH] drm/i915: fix simple_return.cocci warnings
    drivers/gpu/drm/i915/intel_ringbuffer.c:435:1-4: WARNING: end returns can be simpified

    Simplify a trivial if-return sequence. Possibly combine with a
    preceding function call.
    Generated by: scripts/coccinelle/misc/simple_return.cocci

    CC: Paulo Zanoni <paulo.r.zanoni@intel.com>
    Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
    ---

    intel_ringbuffer.c | 6 +-----
    1 file changed, 1 insertion(+), 5 deletions(-)

    --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
    +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
    @@ -432,11 +432,7 @@ gen8_render_ring_flush(struct intel_engi
    return ret;
    }

    - ret = gen8_emit_pipe_control(ring, flags, scratch_addr);
    - if (ret)
    - return ret;
    -
    - return 0;
    + return gen8_emit_pipe_control(ring, flags, scratch_addr);
    }

    static void ring_write_tail(struct intel_engine_cs *ring,

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