drm/msm/dpu: Fix variable dereferenced before check
Fixes the following smatch warning: drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c:261 dpu_encoder_phys_wb_atomic_check() warn: variable dereferenced before check 'conn_state' Fixes: d7d0e73f ("drm/msm/dpu: introduce the dpu_encoder_phys_* for writeback") Signed-off-by: sunliming <sunliming@kylinos.cn> Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/490850/ Link: https://lore.kernel.org/r/20220623012707.453972-1-sunliming@kylinos.cnSigned-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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