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| author | Alex Waterman <alexw@nvidia.com> | 2015-05-26 18:15:56 -0400 |
|---|---|---|
| committer | Alex Waterman <alexw@nvidia.com> | 2015-07-20 14:32:57 -0400 |
| commit | 4a3f84d257686cf598e8cfc27bb1735af65271a3 (patch) | |
| tree | e95469f338e697b75b1fde344b9c52b2738e72bf /drivers/gpu/nvgpu/gk20a/gk20a.h | |
| parent | e60b7deec46b805582ab206d4ca3a4d213aad3bb (diff) | |
gpu: nvgpu: Fix overflow of alloc length
Fix an issue where large ( > 4GB) allocations were not being computed
correctly. The two fields, pages and page_size, were both 32 bits so
when multiplied they easily overflowed. Simple fix is to cast them to
64 bits before multiplying them.
Change-Id: I63fa54679e485de5c3a99684cbeb72c6cdc65504
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/747429
Reviewed-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/771148
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/gk20a.h')
0 files changed, 0 insertions, 0 deletions