media-libs/mesa: Fix spurious munmaps when kms-swrast is used
Add a patch to cherry pick an upstream commit that fixes the problem:
9baff597ce0 ("gallium/winsys/kms: don't unmap what wasn't mapped")
BUG=chromium:907715
TEST=llvmpipe does not crash anymore on scarlet
Change-Id: Ia14c92b4135c5a7e9285ab1d332b3c6124fb3dc6
Reviewed-on: https://chromium-review.googlesource.com/1343917
Commit-Ready: Tomasz Figa <tfiga@chromium.org>
Tested-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Lepton Wu <lepton@chromium.org>
4 files changed
