47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
From cb186abc17ad9e525609dc32385b0a7992e949a9 Mon Sep 17 00:00:00 2001
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From: Peter Hutterer <peter.hutterer@who-t.net>
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Date: Fri, 9 Feb 2018 19:24:15 +1000
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Subject: [PATCH libinput] evdev: fail before open_restricted if the devnode
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doesn't exist
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https://bugzilla.redhat.com/show_bug.cgi?id=1536633
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https://bugzilla.redhat.com/show_bug.cgi?id=1539046
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https://bugzilla.redhat.com/show_bug.cgi?id=1539783
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https://bugzilla.redhat.com/show_bug.cgi?id=1540662
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https://bugs.freedesktop.org/show_bug.cgi?id=104278
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Debugged-by: Jeff Smith <whydoubt@gmail.com>
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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---
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src/evdev.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/src/evdev.c b/src/evdev.c
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index d1ca243d..63b93ec3 100644
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--- a/src/evdev.c
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+++ b/src/evdev.c
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@@ -1917,6 +1917,11 @@ evdev_device_create(struct libinput_seat *seat,
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const char *devnode = udev_device_get_devnode(udev_device);
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const char *sysname = udev_device_get_sysname(udev_device);
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+ if (!devnode) {
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+ log_info(libinput, "%s: no device node associated\n", sysname);
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+ return NULL;
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+ }
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+
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if (udev_device_should_be_ignored(udev_device)) {
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log_debug(libinput, "%s: device is ignored\n", sysname);
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return NULL;
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@@ -2434,6 +2439,9 @@ evdev_device_resume(struct evdev_device *device)
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return -ENODEV;
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devnode = udev_device_get_devnode(device->udev_device);
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+ if (!devnode)
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+ return -ENODEV;
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+
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fd = open_restricted(libinput, devnode,
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O_RDWR | O_NONBLOCK | O_CLOEXEC);
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--
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2.14.3
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