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Commit 9b14f40e authored by Xu Yang's avatar Xu Yang Committed by c_xshu
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disp: msm: sde: Add DSPP NULL pointer check in reg dma 

Add DSPP NULL pointer check in reg dma when get dspp block.
Change fixes the possibility of kernel NULL pointer dereference
issue in stress test.

Change-Id: I9aa5514f7508cd7e316daf9e73fef313e6d1c9d4
parent b69f6916
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