Various fixups and checks to make scan-build happy

[petitboot] / discover / syslinux-parser.c

diff --git a/discover/syslinux-parser.c b/discover/syslinux-parser.c
index defafd261494de3fc62910e513bf024f2bde7c05..38cfd1d32a5925f256457c1a5ab8552823c0da14 100644 (file)
--- a/discover/syslinux-parser.c
+++ b/discover/syslinux-parser.c
@@ -36,12 +36,6 @@ struct syslinux_options {
        char *cfg_dir;
 };
 
-struct conf_file_stat {
-       char *name;
-       struct stat stat;
-       struct list_item list;
-};
-
 static const char *const syslinux_conf_files[] = {
        "/boot/syslinux/syslinux.cfg",
        "/syslinux/syslinux.cfg",
@@ -424,25 +418,24 @@ fail:
 
 static int syslinux_parse(struct discover_context *dc)
 {
-       struct conf_file_stat *confcmp, *confdat;
-       struct list processed_conf_files;
        struct syslinux_options *state;
        const char * const *filename;
        struct conf_context *conf;
-       struct stat statbuf;
-       char *cfg_dir;
-       int len, rc;
-       char *buf;
+       struct list *found_list;
 
        /* Support block device boot only at present */
        if (dc->event)
                return -1;
 
        conf = talloc_zero(dc, struct conf_context);
-
        if (!conf)
                return -1;
 
+       found_list = talloc(conf, struct list);
+       if (!found_list)
+               return -1;
+       list_init(found_list);
+
        conf->dc = dc;
        conf->global_options = syslinux_global_options,
        conf_init_global_options(conf);
@@ -452,8 +445,6 @@ static int syslinux_parse(struct discover_context *dc)
        conf->parser_info = state = talloc_zero(conf, struct syslinux_options);
        list_init(&state->processed_options);
 
-       list_init(&processed_conf_files);
-
        /*
         * set the global defaults
         * by spec 'default' defaults to 'linux' and
@@ -463,37 +454,21 @@ static int syslinux_parse(struct discover_context *dc)
        conf_set_global_option(conf, "implicit", "1");
 
        for (filename = syslinux_conf_files; *filename; filename++) {
+               char *cfg_dir;
+               int len, rc;
+               char *buf;
+
                /*
                 * guard against duplicate entries in case-insensitive
                 * filesystems, mainly vfat boot partitions
                 */
-               rc = parser_stat_path(dc, dc->device, *filename, &statbuf);
-               if (rc)
-                       continue;
-
-               rc = 0;
-
-               list_for_each_entry(&processed_conf_files, confcmp, list) {
-                       if (confcmp->stat.st_ino == statbuf.st_ino) {
-                               pb_log("conf file %s is a path duplicate of %s..skipping\n",
-                                      *filename, confcmp->name);
-                               rc = 1;
-                               break;
-                       }
-               }
-
-               if (rc)
+               if (!parser_is_unique(dc, dc->device, *filename, found_list))
                        continue;
 
                rc = parser_request_file(dc, dc->device, *filename, &buf, &len);
                if (rc)
                        continue;
 
-               confdat = talloc_zero(conf, struct conf_file_stat);
-               confdat->stat = statbuf;
-               confdat->name = talloc_strdup(confdat, *filename);
-               list_add(&processed_conf_files, &confdat->list);
-
                /*
                 * save location of root config file for possible
                 * INCLUDE directives later