From fe6e0c23adbdafc4fc371107534b3b2681c96393 Mon Sep 17 00:00:00 2001 From: Harald Hoyer Date: Wed, 13 Apr 2016 13:28:29 +0200 Subject: [PATCH] dracut-install: simplify error logic error out early, if "--optional" is not set --- install/dracut-install.c | 64 +++++++++++++++++++++++++++++++++++------------- 1 file changed, 47 insertions(+), 17 deletions(-) diff --git a/install/dracut-install.c b/install/dracut-install.c index c246201..f414f30 100644 --- a/install/dracut-install.c +++ b/install/dracut-install.c @@ -1181,8 +1181,10 @@ static int install_module(struct kmod_module *mod) state = kmod_module_get_initstate(mod); name = kmod_module_get_name(mod); - if (arg_mod_filter_noname && (regexec(&mod_filter_noname, name, 0, NULL, 0) == 0)) + if (arg_mod_filter_noname && (regexec(&mod_filter_noname, name, 0, NULL, 0) == 0)) { + log_debug("dracut_install '%s' is excluded", name); return 0; + } if (arg_hostonly && (state != KMOD_MODULE_BUILTIN) && (state != KMOD_MODULE_LIVE)) { log_debug("dracut_install '%s' not hostonly", name); @@ -1194,15 +1196,14 @@ static int install_module(struct kmod_module *mod) return -ENOENT; if (check_hashmap(items_failed, path)) - return 1; + return -1; if (check_hashmap(items, path)) return 0; if (!check_module_path(path) || !check_module_symbols(mod)) { log_debug("No symbol or patch match for '%s'", path); - return 0; - //return -ENOENT; + return 1; } log_debug("dracut_install '%s'", path); @@ -1252,7 +1253,7 @@ static int install_modules(int argc, char **argv) for (i = 0; i < argc; i++) { int r = 0; - int ret = 0; + int ret = -1; log_debug("Handle module '%s'", argv[i]); if (argv[i][0] == '/') { @@ -1296,7 +1297,14 @@ static int install_modules(int argc, char **argv) } kmod_list_foreach(itr, modlist) { mod = kmod_module_get_module(itr); - ret += install_module(mod); + r = install_module(mod); + kmod_module_unref(mod); + if ((r < 0) && !arg_optional) { + if (!arg_silent) + log_error("ERROR: installing module '%s'", modname); + return -ENOENT; + }; + ret = ( ret == 0 ? 0 : r ); } kmod_module_unref_list(modlist); modlist = 0; @@ -1341,40 +1349,55 @@ static int install_modules(int argc, char **argv) log_debug("Handling %s", ftsent->fts_accpath); r = kmod_module_new_from_path(ctx, ftsent->fts_accpath, &mod_o); if (r < 0) { - log_debug("Failed to lookup modules path '%s': %m", ftsent->fts_accpath); + log_debug("Failed to lookup modules path '%s': %m", + ftsent->fts_accpath); + if (!arg_optional) { + return -ENOENT; + } continue; } -#if 1 + /* Check, if we have to load another module with that name instead */ modname = kmod_module_get_name(mod_o); if (!modname) { log_error("Failed to get name for module '%s'", ftsent->fts_accpath); + if (!arg_optional) { + return -ENOENT; + } continue; } r = kmod_module_new_from_lookup(ctx, modname, &modlist); kmod_module_unref(mod_o); if (r < 0) { - log_error("2 Failed to lookup alias '%s': %m", modname); + log_error("Failed to lookup alias '%s': %m", modname); kmod_module_unref_list(modlist); + if (!arg_optional) { + return -ENOENT; + } continue; } if (!modlist) { - log_error("Failed to find module '%s' %s", modname, ftsent->fts_accpath); + log_error("Failed to find module '%s' %s", modname, + ftsent->fts_accpath); kmod_module_unref_list(modlist); + if (!arg_optional) { + return -ENOENT; + } continue; } kmod_list_foreach(itr, modlist) { mod = kmod_module_get_module(itr); - ret += install_module(mod); + r = install_module(mod); kmod_module_unref(mod); + if ((r < 0) && !arg_optional) { + if (!arg_silent) + log_error("ERROR: installing module '%s'", modname); + return -ENOENT; + }; + ret = ( ret == 0 ? 0 : r ); } kmod_module_unref_list(modlist); modlist = 0; -#else - ret += install_module(mod_o); - kmod_module_unref(mod_o); -#endif - } if (errno) { log_error("FTS ERROR: %m"); @@ -1414,8 +1437,14 @@ static int install_modules(int argc, char **argv) } kmod_list_foreach(itr, modlist) { mod = kmod_module_get_module(itr); - ret += install_module(mod); + r = install_module(mod); kmod_module_unref(mod); + if ((r < 0) && !arg_optional) { + if (!arg_silent) + log_error("ERROR: installing '%s'", argv[i]); + return -ENOENT; + }; + ret = ( ret == 0 ? 0 : r ); } kmod_module_unref_list(modlist); modlist = 0; @@ -1427,6 +1456,7 @@ static int install_modules(int argc, char **argv) return EXIT_FAILURE; } } + return EXIT_SUCCESS; }