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-rw-r--r--meta/recipes-graphics/xorg-xserver/xserver-xorg/0001-Fix-segfault-on-probing-a-non-PCI-platform-device-on.patch34
-rw-r--r--meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.9.bb1
2 files changed, 35 insertions, 0 deletions
diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/0001-Fix-segfault-on-probing-a-non-PCI-platform-device-on.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/0001-Fix-segfault-on-probing-a-non-PCI-platform-device-on.patch
new file mode 100644
index 0000000000..7b9e3b4cad
--- /dev/null
+++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/0001-Fix-segfault-on-probing-a-non-PCI-platform-device-on.patch
@@ -0,0 +1,34 @@
+From e50c85f4ebf559a3bac4817b41074c43d4691779 Mon Sep 17 00:00:00 2001
+From: Eric Anholt <eric@anholt.net>
+Date: Fri, 26 Oct 2018 17:47:30 -0700
+Subject: [PATCH] Fix segfault on probing a non-PCI platform device on a system
+ with PCI.
+
+Some Broadcom set-top-box boards have PCI busses, but the GPU is still
+probed through DT. We would dereference a null busid here in that
+case.
+
+Signed-off-by: Eric Anholt <eric@anholt.net>
+
+Upstream-status: Backport [https://github.com/freedesktop/xorg-xserver/commit/e50c85f4e]
+Signed-off-by: Aníbal Limón <anibal.limon@linaro.org>
+---
+ hw/xfree86/common/xf86platformBus.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/hw/xfree86/common/xf86platformBus.c b/hw/xfree86/common/xf86platformBus.c
+index cef47da03..dadbac6c8 100644
+--- a/hw/xfree86/common/xf86platformBus.c
++++ b/hw/xfree86/common/xf86platformBus.c
+@@ -289,7 +289,7 @@ xf86platformProbe(void)
+ for (i = 0; i < xf86_num_platform_devices; i++) {
+ char *busid = xf86_platform_odev_attributes(i)->busid;
+
+- if (pci && (strncmp(busid, "pci:", 4) == 0)) {
++ if (pci && busid && (strncmp(busid, "pci:", 4) == 0)) {
+ platform_find_pci_info(&xf86_platform_devices[i], busid);
+ }
+
+--
+2.28.0
+
diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.9.bb b/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.9.bb
index 86d432a7c4..c83e43ed99 100644
--- a/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.9.bb
+++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.9.bb
@@ -6,6 +6,7 @@ SRC_URI += "file://0001-xf86pciBus.c-use-Intel-ddx-only-for-pre-gen4-hardwar.pat
file://sdksyms-no-build-path.patch \
file://0001-drmmode_display.c-add-missing-mi.h-include.patch \
file://0001-Avoid-duplicate-definitions-of-IOPortBase.patch \
+ file://0001-Fix-segfault-on-probing-a-non-PCI-platform-device-on.patch \
"
SRC_URI[sha256sum] = "e219f2e0dfe455467939149d7cd2ee53b79b512cc1d2094ae4f5c9ed9ccd3571"