Merge pull request #23865 from keszybz/drop-memcpy-call

sd-id128: avoid an unnecessary function call in inline helper

src/home/homework-luks.c

@@ -180,7 +180,7 @@ static int probe_file_system_by_path(const char *path, char **ret_fstype, sd_id1
 
         fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
         if (fd < 0)
-                return -errno;
+                return negative_errno();
 
         return probe_file_system_by_fd(fd, ret_fstype, ret_uuid);
 }
@@ -1230,7 +1230,7 @@ int home_setup_luks(
                 PasswordCache *cache,
                 UserRecord **ret_luks_home) {
 
-        sd_id128_t found_partition_uuid = SD_ID128_NULL, found_luks_uuid = SD_ID128_NULL, found_fs_uuid = SD_ID128_NULL;
+        sd_id128_t found_partition_uuid, found_fs_uuid, found_luks_uuid = SD_ID128_NULL;
         _cleanup_(user_record_unrefp) UserRecord *luks_home = NULL;
         _cleanup_(erase_and_freep) void *volume_key = NULL;
         size_t volume_key_size = 0;

src/journal/journalctl.c

@@ -2164,7 +2164,7 @@ int main(int argc, char *argv[]) {
         bool previous_boot_id_valid = false, first_line = true, ellipsized = false, need_seek = false;
         bool use_cursor = false, after_cursor = false;
         _cleanup_(sd_journal_closep) sd_journal *j = NULL;
-        sd_id128_t previous_boot_id;
+        sd_id128_t previous_boot_id = {};  /* Unnecessary initialization to appease gcc */
         int n_shown = 0, r, poll_fd = -1;
 
         setlocale(LC_ALL, "");

src/libsystemd/sd-journal/journal-verify.c

@@ -820,7 +820,7 @@ int journal_file_verify(
         uint64_t p = 0, last_epoch = 0, last_tag_realtime = 0, last_sealed_realtime = 0;
 
         uint64_t entry_seqnum = 0, entry_monotonic = 0, entry_realtime = 0;
-        sd_id128_t entry_boot_id;
+        sd_id128_t entry_boot_id = {};  /* Unnecessary initialization to appease gcc */
         bool entry_seqnum_set = false, entry_monotonic_set = false, entry_realtime_set = false, found_main_entry_array = false;
         uint64_t n_weird = 0, n_objects = 0, n_entries = 0, n_data = 0, n_fields = 0, n_data_hash_tables = 0, n_field_hash_tables = 0, n_entry_arrays = 0, n_tags = 0;
         usec_t last_usec = 0;

src/systemd/sd-id128.h

@@ -116,7 +116,7 @@ int sd_id128_get_boot_app_specific(sd_id128_t app_id, sd_id128_t *ret);
         #a #b #c #d "-" #e #f "-" #g #h "-" #i #j "-" #k #l #m #n #o #p
 
 _sd_pure_ static __inline__ int sd_id128_equal(sd_id128_t a, sd_id128_t b) {
-        return memcmp(&a, &b, 16) == 0;
+        return a.qwords[0] == b.qwords[0] && a.qwords[1] == b.qwords[1];
 }
 
 int sd_id128_string_equal(const char *s, sd_id128_t id);