Blame SOURCES/0001-Fix-segfault-on-probing-a-non-PCI-platform-device-on.patch

11dce6
From e50c85f4ebf559a3bac4817b41074c43d4691779 Mon Sep 17 00:00:00 2001
11dce6
From: Eric Anholt <eric@anholt.net>
11dce6
Date: Fri, 26 Oct 2018 17:47:30 -0700
11dce6
Subject: [PATCH xserver] Fix segfault on probing a non-PCI platform device on
11dce6
 a system with PCI.
11dce6
11dce6
Some Broadcom set-top-box boards have PCI busses, but the GPU is still
11dce6
probed through DT.  We would dereference a null busid here in that
11dce6
case.
11dce6
11dce6
Signed-off-by: Eric Anholt <eric@anholt.net>
11dce6
---
11dce6
 hw/xfree86/common/xf86platformBus.c | 2 +-
11dce6
 1 file changed, 1 insertion(+), 1 deletion(-)
11dce6
11dce6
diff --git a/hw/xfree86/common/xf86platformBus.c b/hw/xfree86/common/xf86platformBus.c
11dce6
index cef47da03d..dadbac6c8f 100644
11dce6
--- a/hw/xfree86/common/xf86platformBus.c
11dce6
+++ b/hw/xfree86/common/xf86platformBus.c
11dce6
@@ -289,7 +289,7 @@ xf86platformProbe(void)
11dce6
     for (i = 0; i < xf86_num_platform_devices; i++) {
11dce6
         char *busid = xf86_platform_odev_attributes(i)->busid;
11dce6
 
11dce6
-        if (pci && (strncmp(busid, "pci:", 4) == 0)) {
11dce6
+        if (pci && busid && (strncmp(busid, "pci:", 4) == 0)) {
11dce6
             platform_find_pci_info(&xf86_platform_devices[i], busid);
11dce6
         }
11dce6
 
11dce6
-- 
91849c
2.21.0
11dce6