commit | 11e504cc705e8ccb06ac93a276e11b5e8fee4d40 | [log] [tgz] |
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author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | Sun Aug 03 19:59:35 2014 +0900 |
committer | Dave Airlie <airlied@redhat.com> | Tue Aug 05 10:51:36 2014 +1000 |
tree | 7e6feb5fd586ac760f67a319ce19d3c9e9e9883c | |
parent | 74cd62ea46f19c41ef20a85792414973ba629cde [diff] |
drm/ttm: Fix possible division by 0 in ttm_dma_pool_shrink_scan(). list_empty(&_manager->pools) being false before taking _manager->lock does not guarantee that _manager->npools != 0 after taking _manager->lock because _manager->npools is updated under _manager->lock. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: stable <stable@kernel.org> [3.3+] Signed-off-by: Dave Airlie <airlied@redhat.com>