57 lines
2.4 KiB
Diff
57 lines
2.4 KiB
Diff
From 4007f494b2e4c45f2d59948af3f4053258d3f127 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Fri, 28 Oct 2022 09:06:02 +0900
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Subject: [PATCH] udevadm-trigger: also check with the original syspath if
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device is renamed
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For older kernels that synthetic UUID is not supported, we need to also
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check the original device name, as udevd broadcasts uevent with new
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sysname.
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Fixes #25115.
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(cherry picked from commit 1193448cb68e5a90cab027e16a093bbd367e9494)
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Related: RHEL-5988
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---
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src/udev/udevadm-trigger.c | 26 ++++++++++++++++++++++++++
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1 file changed, 26 insertions(+)
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diff --git a/src/udev/udevadm-trigger.c b/src/udev/udevadm-trigger.c
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index 3909fa237c..40ee5085a0 100644
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--- a/src/udev/udevadm-trigger.c
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+++ b/src/udev/udevadm-trigger.c
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@@ -176,6 +176,32 @@ static int device_monitor_handler(sd_device_monitor *m, sd_device *dev, void *us
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_cleanup_free_ char *saved = NULL;
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saved = set_remove(settle_path_or_ids, syspath);
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+ if (!saved) {
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+ const char *old_sysname;
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+
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+ /* When the device is renamed, the new name is broadcast, and the old name is saved
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+ * in INTERFACE_OLD. */
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+
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+ if (sd_device_get_property_value(dev, "INTERFACE_OLD", &old_sysname) >= 0) {
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+ _cleanup_free_ char *dir = NULL, *old_syspath = NULL;
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+
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+ r = path_extract_directory(syspath, &dir);
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+ if (r < 0) {
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+ log_device_debug_errno(dev, r,
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+ "Failed to extract directory from '%s', ignoring: %m",
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+ syspath);
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+ return 0;
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+ }
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+
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+ old_syspath = path_join(dir, old_sysname);
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+ if (!old_syspath) {
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+ log_oom_debug();
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+ return 0;
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+ }
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+
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+ saved = set_remove(settle_path_or_ids, old_syspath);
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+ }
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+ }
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if (!saved) {
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log_device_debug(dev, "Got uevent for unexpected device, ignoring.");
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return 0;
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