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35 lines
906 B
Diff
35 lines
906 B
Diff
From 677cd97dc4a930af508388713f5016baf664ed18 Mon Sep 17 00:00:00 2001
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From: Rob Herring <robh@kernel.org>
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Date: Fri, 21 Oct 2016 10:07:59 -0700
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Subject: [PATCH 1/2] Return an -ENODEV from drmGetDevice() when no device was
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found.
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Fixes crashes in Mesa on platform devices, which expected *device to
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have a device when 0 was returned.
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(code from a paste by Rob, commit message by anholt)
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
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---
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xf86drm.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/xf86drm.c b/xf86drm.c
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index 9cfca49..9b52889 100644
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--- a/xf86drm.c
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+++ b/xf86drm.c
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@@ -3181,6 +3181,8 @@ int drmGetDevice(int fd, drmDevicePtr *device)
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closedir(sysdir);
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free(local_devices);
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+ if (*device == NULL)
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+ return -ENODEV;
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return 0;
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free_devices:
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--
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2.10.2
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