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[Stability][hwui] check mmap return value
authorzhangkuili <zhangkuili@xiaomi.com>
Tue, 29 May 2018 02:23:29 +0000 (10:23 +0800)
committeryuanhao <yuanhao@xiaomi.com>
Thu, 21 Jun 2018 09:43:10 +0000 (17:43 +0800)
commit24a1bc39bb7c4af1c5565816c66338ae231cf41c
treecdc393bc60c490a7d0f076a713c0026993821d92
parentfaf31f86381122507398624698b7c89273f01ff5
[Stability][hwui] check mmap return value

If mmap failed, it return -1 (MAP_FAILED)

Bug:110507462
Test: manual

Change-Id: I3d0bac2e7c8b0bdc9cfb4ebb7b766d858876679d
Signed-off-by: zhangkuili <zhangkuili@xiaomi.com>
libs/hwui/service/GraphicsStatsService.cpp