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i915: add a missing NULL pointer check (RHBZ #1100967)

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Signed-off-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
This commit is contained in:
Igor Gnatenko 2014-05-28 22:56:26 +04:00
parent b304048873
commit 7878fa197e
2 changed files with 54 additions and 1 deletions
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44
0001-i915-add-a-missing-NULL-pointer-check.patch Normal file
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@ -0,0 +1,44 @@
From 34fa604acfa3d9d66524eacaa239c3251dc3237b Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Wed, 28 May 2014 08:56:12 +0200
Subject: [PATCH] i915: add a missing NULL pointer check
mesaVisual can be NULL with configless context since this commit:
commit 551d459af421a2eb937e9e16301bb64da4624f89
Author: Neil Roberts <neil@linux.intel.com>
Date: Fri Mar 7 18:05:47 2014 +0000
Add the EGL_MESA_configless_context extension
...
Previously the i965 and i915 drivers were explicitly creating a zeroed visual
whenever 0 is passed for the EGLConfig.
We attempt to dereference the visual in i915 and now we don't create a
zeroed-out one one it crashes, breaking at least weston in an i915. There's
no point in doing so as it would be zero anyway.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1100967
Cc: "10.2" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
---
src/mesa/drivers/dri/i915/intel_context.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i915/intel_context.c b/src/mesa/drivers/dri/i915/intel_context.c
index a6057d3..09fe371 100644
--- a/src/mesa/drivers/dri/i915/intel_context.c
+++ b/src/mesa/drivers/dri/i915/intel_context.c
@@ -507,7 +507,7 @@ intelInitContext(struct intel_context *intel,
_mesa_meta_init(ctx);
- intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
+ intel->hw_stencil = mesaVis && mesaVis->stencilBits && mesaVis->depthBits == 24;
intel->hw_stipple = 1;
intel->RenderIndex = ~0;
--
1.9.3

11
mesa.spec
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@ -55,7 +55,7 @@
Summary: Mesa graphics libraries
Name: mesa
Version: 10.1.4
Release: 1.%{gitdate}%{?dist}
Release: 2.%{gitdate}%{?dist}
License: MIT
Group: System Environment/Libraries
URL: http://www.mesa3d.org
@ -85,6 +85,10 @@ Patch99: 0001-opencl-use-versioned-.so-in-mesa.icd.patch
Patch100: radeonsi-llvm-version-hack.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1100967
# http://lists.freedesktop.org/archives/mesa-dev/2014-May/060191.html
Patch101: 0001-i915-add-a-missing-NULL-pointer-check.patch
BuildRequires: pkgconfig autoconf automake libtool
%if %{with_hardware}
BuildRequires: kernel-headers
@ -342,6 +346,8 @@ grep -q ^/ src/gallium/auxiliary/vl/vl_decoder.c && exit 1
%patch100 -p1 -b .radeonsi
%patch101 -p1 -b .old_intelInitContext
%if 0%{with_private_llvm}
sed -i 's/llvm-config/mesa-private-llvm-config-%{__isa_bits}/g' configure.ac
sed -i 's/`$LLVM_CONFIG --version`/&-mesa/' configure.ac
@ -645,6 +651,9 @@ rm -rf $RPM_BUILD_ROOT
%endif
%changelog
* Wed May 28 2014 Igor Gnatenko <i.gnatenko.brain@gmail.com> - 10.1.4-2.20140521
- i915: add a missing NULL pointer check (RHBZ #1100967)
* Wed May 21 2014 Igor Gnatenko <i.gnatenko.brain@gmail.com> - 10.1.4-1.20140521
- 10.1.4 upstream release