mailmap: deduplicate some frequent contributors

Similar to 5c60d3011feac20dcc3c66fe2bcafa0a889e33d1, but for udevd.

.mailmap

@@ -36,6 +36,9 @@ Daniel Stekloff <dsteklof@us.ibm.com>
 Daniel Șerbănescu <dasj19@users.noreply.github.com>
 Dann Frazier <dann.frazier@canonical.com>
 Dave Reisner <dreisner@archlinux.org> <d@falconindy.com>
+David Rheinsberg <david@readahead.eu>
+David Rheinsberg <dh.herrmann@gmail.com>
+David Rheinsberg <dh.herrmann@googlemail.com>
 David Santamaría Rogado <howl.nsp@gmail.com>
 David Zeuthen <david@fubar.dk>
 David Zeuthen <david@fubar.dk> <davidz@redhat.com>
@@ -91,7 +94,9 @@ José Bollo <jose.bollo@iot.bzh> <jobol@nonadev.net>
 Jun Bo Bi <jambonmcyeah@gmail.com>
 Justin Capella <justincapella@gmail.com> <b1tninja@users.noreply.github.com>
 Jérémy Rosen <jeremy.rosen@enst-bretagne.fr>
+Jörg Behrmann <behrmann@physik.fu-berlin.de>
 Jürg Billeter <j@bitron.ch>
+Kai Lüke <kailuke@microsoft.com>
 Karl Kraus <karl.kraus@tum.de> <laqueray@gmail.com>
 Kay Sievers <kay@vrfy.org>
 Kay Sievers <kay@vrfy.org> <kay.sievers@suse.de>

docs/CODING_STYLE.md

@@ -247,6 +247,24 @@ SPDX-License-Identifier: LGPL-2.1-or-later
                   const char *input);
   ```
 
+- When passing `NULL` or another value meaning "unset" to a function, use a comment
+  to indicate the argument name to make it more clear where we're passing an "unset"
+  value.
+
+  Bad:
+
+  ```c
+  myfunction(NULL, NULL, NULL);
+  ```
+
+  Good:
+
+  ```c
+  myfunction(/* a= */ NULL, /* b= */ NULL, /* c= */ NULL);
+  ```
+
+  This guidance should be applied tree-wide, including in test files.
+
 - Please do not introduce new circular dependencies between header files.
   Effectively this means that if a.h includes b.h, then b.h cannot include a.h,
   directly or transitively via another header. Circular header dependencies can

src/network/networkd-link.c

@@ -2329,38 +2329,6 @@ static int link_update_driver(Link *link, sd_netlink_message *message) {
         return 1; /* needs reconfigure */
 }
 
-static int link_update_permanent_hardware_address_from_ethtool(Link *link, sd_netlink_message *message) {
-        int r;
-
-        assert(link);
-        assert(link->manager);
-        assert(message);
-
-        if (link->ethtool_permanent_hw_addr_read)
-                return 0;
-
-        /* When udevd is running, read the permanent hardware address after the interface is
-         * initialized by udevd. Otherwise, ethtool may not work correctly. See issue #22538.
-         * When udevd is not running, read the value when the interface is detected. */
-        if (udev_available() && !link->dev)
-                return 0;
-
-        /* If the interface does not have a hardware address, then it will not have a permanent address either. */
-        r = netlink_message_read_hw_addr(message, IFLA_ADDRESS, NULL);
-        if (r == -ENODATA)
-                return 0;
-        if (r < 0)
-                return log_link_debug_errno(link, r, "Failed to read IFLA_ADDRESS attribute: %m");
-
-        link->ethtool_permanent_hw_addr_read = true;
-
-        r = ethtool_get_permanent_hw_addr(&link->manager->ethtool_fd, link->ifname, &link->permanent_hw_addr);
-        if (r < 0)
-                log_link_debug_errno(link, r, "Permanent hardware address not found, continuing without: %m");
-
-        return 0;
-}
-
 static int link_update_permanent_hardware_address(Link *link, sd_netlink_message *message) {
         int r;
 
@@ -2372,15 +2340,10 @@ static int link_update_permanent_hardware_address(Link *link, sd_netlink_message
                 return 0;
 
         r = netlink_message_read_hw_addr(message, IFLA_PERM_ADDRESS, &link->permanent_hw_addr);
-        if (r < 0) {
+        if (r == -ENODATA)
-                if (r != -ENODATA)
+                return 0;
-                        return log_link_debug_errno(link, r, "Failed to read IFLA_PERM_ADDRESS attribute: %m");
+        if (r < 0)
-
+                return log_link_debug_errno(link, r, "Failed to read IFLA_PERM_ADDRESS attribute: %m");
-                /* Fallback to ethtool for kernels older than v5.6 (f74877a5457d34d604dba6dbbb13c4c05bac8b93). */
-                r = link_update_permanent_hardware_address_from_ethtool(link, message);
-                if (r < 0)
-                        return r;
-        }
 
         if (link->permanent_hw_addr.length > 0)
                 log_link_debug(link, "Saved permanent hardware address: %s", HW_ADDR_TO_STR(&link->permanent_hw_addr));

src/shared/daemon-util.c

@@ -9,7 +9,7 @@
 #include "string-util.h"
 #include "time-util.h"
 
-int notify_remove_fd_warn(const char *name) {
+static int notify_remove_fd_full(int log_level, const char *name) {
         int r;
 
         assert(name);
@@ -18,13 +18,22 @@ int notify_remove_fd_warn(const char *name) {
                        "FDSTOREREMOVE=1\n"
                        "FDNAME=%s", name);
         if (r < 0)
-                return log_warning_errno(r,
+                return log_full_errno(
-                                         "Failed to remove file descriptor \"%s\" from the store, ignoring: %m",
+                                log_level, r,
-                                         name);
+                                "Failed to remove file descriptor \"%s\" from the store, ignoring: %m",
+                                name);
 
         return 0;
 }
 
+int notify_remove_fd(const char *name) {
+        return notify_remove_fd_full(LOG_DEBUG, name);
+}
+
+int notify_remove_fd_warn(const char *name) {
+        return notify_remove_fd_full(LOG_WARNING, name);
+}
+
 int notify_remove_fd_warnf(const char *format, ...) {
         _cleanup_free_ char *p = NULL;
         va_list ap;

src/shared/daemon-util.h

@@ -21,6 +21,7 @@ static inline void notify_on_cleanup(const char **p) {
                 (void) sd_notify(false, *p);
 }
 
+int notify_remove_fd(const char *name);
 int notify_remove_fd_warn(const char *name);
 int notify_remove_fd_warnf(const char *format, ...) _printf_(1, 2);
 int close_and_notify_warn(int fd, const char *name);

src/udev/udev-config.c

@@ -557,9 +557,10 @@ int manager_serialize_config(Manager *manager) {
         if (r < 0)
                 return log_warning_errno(r, "Failed to finalize serialization file: %m");
 
+        /* This may fail on shutdown/reboot. Let's not warn louder. */
         r = notify_push_fd(fileno(f), "config-serialization");
         if (r < 0)
-                return log_warning_errno(r, "Failed to push serialization fd to service manager: %m");
+                return log_debug_errno(r, "Failed to push serialization fd to service manager: %m");
 
         log_debug("Serialized configurations.");
         return 0;

src/udev/udev-manager.c

@@ -1503,7 +1503,7 @@ int manager_main(Manager *manager) {
         /* We will start processing events in the loop below. Before starting processing, let's remove the
          * event serialization fd from the fdstore, to avoid retrieving the serialized events again in future
          * invocations. Otherwise, the serialized events may be processed multiple times. */
-        (void) notify_remove_fd_warn("event-serialization");
+        (void) notify_remove_fd("event-serialization");
 
         r = sd_event_loop(manager->event);
         if (r < 0)

test/units/TEST-17-UDEV.database.sh

@@ -3,8 +3,6 @@
 set -ex
 set -o pipefail
 
-udevadm control --log-level=debug
-
 IFNAME=test-udev-aaa
 ip link add "$IFNAME" type dummy
 IFINDEX=$(ip -json link show "$IFNAME" | jq '.[].ifindex')
@@ -17,6 +15,4 @@ udevadm wait --timeout=10 --removed --settle "/sys/class/net/$IFNAME"
 # CHeck if the database file is removed.
 [[ ! -e "/run/udev/data/n$IFINDEX" ]]
 
-udevadm control --log-level=info
-
 exit 0

test/units/TEST-17-UDEV.diskseq.sh

@@ -19,14 +19,10 @@ at_exit() (
     systemctl daemon-reload
 
     [[ -d "$TMPDIR" ]] && rm -rf "$TMPDIR"
-
-    udevadm control --log-level=info
 )
 
 trap at_exit EXIT
 
-udevadm control --log-level=debug
-
 TMPDIR="$(mktemp -d)"
 truncate -s 16M "$TMPDIR"/foo.raw
 mkfs.ext4 -L foo "$TMPDIR"/foo.raw

test/units/TEST-17-UDEV.link-property.sh

@@ -6,8 +6,6 @@ set -o pipefail
 # shellcheck source=test/units/util.sh
 . "$(dirname "$0")"/util.sh
 
-udevadm control --log-level=debug
-
 mkdir -p /run/systemd/network/
 cat >/run/systemd/network/10-test.link <<EOF
 [Match]
@@ -198,6 +196,6 @@ ip link del dev test1
 
 rm -f /run/systemd/network/10-test.link
 rm -rf /run/systemd/network/10-test.link.d
-udevadm control --reload --log-level=info
+udevadm control --reload
 
 exit 0

test/units/TEST-17-UDEV.loop-own.sh

@@ -11,14 +11,10 @@ at_exit() (
     set +e
 
     [[ -d "$TMPDIR" ]] && rm -rf "$TMPDIR"
-
-    udevadm control --log-level=info
 )
 
 trap at_exit EXIT
 
-udevadm control --log-level=debug
-
 TMPDIR="$(mktemp -d)"
 truncate -s 16M "$TMPDIR"/foo.raw
 mkfs.ext4 "$TMPDIR"/foo.raw

test/units/TEST-17-UDEV.netif-INTERFACE-property.sh

@@ -15,7 +15,7 @@ OriginalName=testif
 Name=te!st!if
 EOF
 
-udevadm control --log-level=debug --reload
+udevadm control --reload
 
 # Check if any interfaces originally named with '!' in their name have been renamed unexpectedly.
 ip link add 'hoge!foo' type dummy
@@ -41,6 +41,6 @@ ip link del dev 'te!st!if'
 
 # cleanup
 rm -f /run/systemd/network/10-rename-test.link
-udevadm control --log-level=info --reload
+udevadm control --reload
 
 exit 0

test/units/TEST-17-UDEV.netif-altname.sh

@@ -22,8 +22,6 @@ EOF
     udevadm control --reload
 }
 
-udevadm control --log-level=debug
-
 create_link_file test1
 ip link add address 00:50:56:c0:00:18 type dummy
 udevadm wait --settle --timeout=30 /sys/class/net/test1
@@ -81,6 +79,6 @@ assert_not_in "altname hoge" "$output"
 ip link del dev test3
 
 rm -f /run/systemd/network/10-test.link
-udevadm control --reload --log-level=info
+udevadm control --reload
 
 exit 0

test/units/TEST-17-UDEV.queued-events-serialization.sh

@@ -24,7 +24,7 @@ ACTION=="add", RUN+="/usr/bin/bash -c ':> /tmp/marker'", RUN+="/usr/bin/sleep 10
 LABEL="end"
 EOF
 
-udevadm control --reload --log-level=debug
+udevadm control --reload
 
 udevadm settle --timeout 30
 rm -f /tmp/marker

test/units/TEST-17-UDEV.watch.sh

@@ -80,10 +80,6 @@ cat >/run/udev/rules.d/50-testsuite.rules <<EOF
 ACTION=="add", SUBSYSTEM=="block", KERNEL=="sda", OPTIONS:="watch"
 EOF
 
-# To make the previous invocation of systemd-udevd generates debugging logs on stop,
-# that will be checked by check().
-udevadm control --log-level debug
-
 # Unfortunately, journalctl --invocation= is unstable when debug logging is enabled on service manager.
 SAVED_LOG_LEVEL=$(systemctl log-level)
 systemctl log-level info

test/units/TEST-29-PORTABLE.sh

@@ -29,9 +29,6 @@ EOF
 
 systemctl daemon-reexec
 
-
-udevadm control --log-level debug
-
 ARGS=()
 STATE_DIRECTORY=/var/lib/private/
 if [[ -v ASAN_OPTIONS || -v UBSAN_OPTIONS ]]; then

test/units/TEST-50-DISSECT.sh

@@ -118,8 +118,6 @@ else
     exit 1
 fi
 
-udevadm control --log-level=debug
-
 IMAGE_DIR="$(mktemp -d --tmpdir="" TEST-50-IMAGES.XXX)"
 chmod go+rx "$IMAGE_DIR"
 cp -v /usr/share/minimal* "$IMAGE_DIR/"

test/units/TEST-58-REPART.sh

@@ -22,10 +22,6 @@ export SYSTEMD_UTF8=0
 
 seed=750b6cd5c4ae4012a15e7be3c29e6a47
 
-if ! systemd-detect-virt --quiet --container; then
-    udevadm control --log-level debug
-fi
-
 esp_guid=C12A7328-F81F-11D2-BA4B-00A0C93EC93B
 xbootldr_guid=BC13C2FF-59E6-4262-A352-B275FD6F7172
 

test/units/TEST-64-UDEV-STORAGE.sh

@@ -1348,7 +1348,6 @@ testcase_mdadm_lvm() {
 }
 
 udevadm settle
-udevadm control --log-level debug
 lsblk -a
 
 echo "Check if all symlinks under /dev/disk/ are valid (pre-test)"
@@ -1368,8 +1367,6 @@ udevadm settle --timeout=60
 echo "Check if all symlinks under /dev/disk/ are valid (post-test)"
 helper_check_device_symlinks
 
-udevadm control --log-level info
-
 systemctl status systemd-udevd
 
 touch /testok