tree-wide: drop 'This file is part of systemd' blurb

[thirdparty/systemd.git] / src / libsystemd / sd-hwdb / sd-hwdb.c

diff --git a/src/libsystemd/sd-hwdb/sd-hwdb.c b/src/libsystemd/sd-hwdb/sd-hwdb.c
index a8c63763026c33991d4bf105937b70307a515b52..6a9fe7c3cd6cc1a2b1ac636a8c3ea896ae41e5da 100644 (file)
--- a/src/libsystemd/sd-hwdb/sd-hwdb.c
+++ b/src/libsystemd/sd-hwdb/sd-hwdb.c
@@ -1,22 +1,8 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
-  This file is part of systemd.
-
   Copyright 2012 Kay Sievers <kay@vrfy.org>
   Copyright 2008 Alan Jenkins <alan.christopher.jenkins@googlemail.com>
   Copyright 2014 Tom Gundersen <teg@jklm.no>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
 #include <errno.h>
@@ -48,8 +34,6 @@ struct sd_hwdb {
                 const char *map;
         };
 
-        char *modalias;
-
         OrderedHashmap *properties;
         Iterator properties_iterator;
         bool properties_modified;
@@ -319,7 +303,7 @@ static const char hwdb_bin_paths[] =
         "/etc/systemd/hwdb/hwdb.bin\0"
         "/etc/udev/hwdb.bin\0"
         "/usr/lib/systemd/hwdb/hwdb.bin\0"
-#ifdef HAVE_SPLIT_USR
+#if HAVE_SPLIT_USR
         "/lib/systemd/hwdb/hwdb.bin\0"
 #endif
         UDEVLIBEXECDIR "/hwdb.bin\0";
@@ -374,8 +358,7 @@ _public_ int sd_hwdb_new(sd_hwdb **ret) {
         log_debug("strings           %8"PRIu64" bytes", le64toh(hwdb->head->strings_len));
         log_debug("nodes             %8"PRIu64" bytes", le64toh(hwdb->head->nodes_len));
 
-        *ret = hwdb;
-        hwdb = NULL;
+        *ret = TAKE_PTR(hwdb);
 
         return 0;
 }
@@ -393,7 +376,6 @@ _public_ sd_hwdb *sd_hwdb_unref(sd_hwdb *hwdb) {
                 if (hwdb->map)
                         munmap((void *)hwdb->map, hwdb->st.st_size);
                 safe_fclose(hwdb->f);
-                free(hwdb->modalias);
                 ordered_hashmap_free(hwdb->properties);
                 free(hwdb);
         }
@@ -427,32 +409,13 @@ bool hwdb_validate(sd_hwdb *hwdb) {
 }
 
 static int properties_prepare(sd_hwdb *hwdb, const char *modalias) {
-        _cleanup_free_ char *mod = NULL;
-        int r;
-
         assert(hwdb);
         assert(modalias);
 
-        if (streq_ptr(modalias, hwdb->modalias))
-                return 0;
-
-        mod = strdup(modalias);
-        if (!mod)
-                return -ENOMEM;
-
         ordered_hashmap_clear(hwdb->properties);
-
         hwdb->properties_modified = true;
 
-        r = trie_search_f(hwdb, modalias);
-        if (r < 0)
-                return r;
-
-        free(hwdb->modalias);
-        hwdb->modalias = mod;
-        mod = NULL;
-
-        return 0;
+        return trie_search_f(hwdb, modalias);
 }
 
 _public_ int sd_hwdb_get(sd_hwdb *hwdb, const char *modalias, const char *key, const char **_value) {