Peter Daifuku 02acac71b3 gpu: nvgpu: avoid possible ovrflw in dmabuf check ...

In gk20a_vm_map_buffer, when checking dmabuf size, avoid possible
overflow of buffer offset + buffer size

Bug 1793926

Change-Id: Iaa85bbd2942546015a233f34388309c6ba01412c
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1488051
(cherry picked from commit 62346ede6c0863d36dc5d91527647130a13eff53)
Reviewed-on: http://git-master/r/1501696
(cherry picked from commit 745c273ac80fad14f019b7c59bb797c4e22f4781)
Reviewed-on: https://git-master.nvidia.com/r/1528182
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

2017-07-27 21:41:21 -07:00

61 KiB

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