dma-buf/sw-sync: Prevent user overflow on timeline advance
authorChris Wilson <chris@chris-wilson.co.uk>
Thu, 29 Jun 2017 12:59:26 +0000 (13:59 +0100)
committerGustavo Padovan <gustavo.padovan@collabora.com>
Thu, 29 Jun 2017 21:52:05 +0000 (18:52 -0300)
commit8f66d3aa1735bc95ae58d846a157357e8d41abb8
treeed1f9f6ba317a12164091b82101bcb515e3c8ae2
parent61894b02716f122dd7662d5d89f5b2245ca551e2
dma-buf/sw-sync: Prevent user overflow on timeline advance

The timeline is u32, which limits any single advance to INT_MAX so that
we can detect all fences that need signaling.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Gustavo Padovan <gustavo@padovan.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170629125930.821-3-chris@chris-wilson.co.uk
drivers/dma-buf/sw_sync.c