anthias: mdss: security patch CVE-2015-8943
msm: mdss: Unmap only when buffer was mapped Currently buffer is unmapped if iommu is attached. This can lead to potential unmap issues if wrong addresses are sent and are tried to unmap without mapping. Hence ensure unmap is done only when buffer is mapped. Change-Id: I339d6aefa501cda0ed0cf8f6b9c516b64d892b82 Reviewed-on: http://mcrd1-22-pc.corpnet.asus/code-review/master/248994 Reviewed-by: Carol_Jiang <carol_jiang@asus.com> Tested-by: Carol_Jiang <carol_jiang@asus.com>
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