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