src/udev/udev-builtin-kmod.c: remove the modprobe alt to kmod code

LEGACY

@@ -5,4 +5,5 @@ v1.X	- preserves the old userland firmware loading code
 
 v2.X	- preserves the older rules generator code
 	- preserves the old static nodes created from modules code
+	- preserves the the old modprobe alt to kmod code
 

configure.ac

@@ -299,40 +299,20 @@ AM_CONDITIONAL(ENABLE_MANPAGES, [test "x$have_manpages" = "xyes"])
 AC_SUBST(XSLTPROC_FLAGS)
 
 # ------------------------------------------------------------------------------
-
+have_kmod=no
-AC_ARG_ENABLE(modules, [AS_HELP_STRING([--disable-modules], [Disable loadable module support @<:@default=enabled@:>@])], [], [enable_modules=yes])
+AC_ARG_ENABLE(kmod, AS_HELP_STRING([--disable-kmod], [disable loadable modules support]))
-AC_ARG_ENABLE(libkmod, [AS_HELP_STRING([--enable-libkmod], [Enable module loading through kmod @<:@default=disabled@:>@])], [], [enable_libkmod=no])
+if test "x$enable_kmod" != "xno"; then
-
+        PKG_CHECK_EXISTS([ libkmod ], have_kmod=yes, have_kmod=no)
-if test "x${enable_modules}" = xyes; then
+        if test "x$have_kmod" = "xyes"; then
-
+                PKG_CHECK_MODULES(KMOD, [ libkmod >= 15 ],
-        AC_DEFINE([HAVE_MODULES], [1], [Define if we support loading modules])
+                        [AC_DEFINE(HAVE_KMOD, 1, [Define if kmod is available])],
-
+                        AC_MSG_ERROR([*** kmod version >= 15 not found]))
-        AS_IF([test "x${enable_libkmod}" = xyes],
-          [AC_CHECK_LIB([kmod], [main],
-            [PKG_CHECK_MODULES(KMOD, [libkmod >= 5])
-             AC_SUBST([LIBKMOD], ["-lkmod"])
-             AC_DEFINE([HAVE_LIBKMOD], [1],
-                       [Define if you have libkmod])
-            ],
-            [AC_MSG_FAILURE(
-               [--enable-libkmod was given, but test for kmod failed])],
-            [-lkmod])])
-
         fi
-
+        if test "x$have_kmod" = xno -a "x$enable_kmod" = xyes; then
-AM_CONDITIONAL([HAVE_MODULES], [test "x${enable_modules}" = xyes])
+                AC_MSG_ERROR([*** kmod support requested, but libraries not found])
-AM_CONDITIONAL([HAVE_LIBKMOD], [test "x${enable_libkmod}" = xyes])
+        fi
-
+fi
-
+AM_CONDITIONAL(HAVE_KMOD, [test "$have_kmod" = "yes"])
-# ------------------------------------------------------------------------------
-
-AC_ARG_WITH([modprobe],
-            [AS_HELP_STRING([--with-modprobe=modprobe],
-              [specify location of modprobe when -- @<:@default=$sbindir/modprobe@:>@])],
-            [],
-            [with_modprobe="${sbindir}/modprobe"])
-
-AC_SUBST([MODPROBE], ["${with_modprobe}"])
 
 # ------------------------------------------------------------------------------
 

rules/80-drivers-modprobe.rules

@@ -1,13 +0,0 @@
-# do not edit this file, it will be overwritten on update
-
-ACTION=="remove", GOTO="drivers_end"
-
-ENV{MODALIAS}=="?*", RUN+="/sbin/modprobe $env{MODALIAS}"
-SUBSYSTEM=="tifm", ENV{TIFM_CARD_TYPE}=="SD", RUN+="/sbin/modprobe tifm_sd"
-SUBSYSTEM=="tifm", ENV{TIFM_CARD_TYPE}=="MS", RUN+="/sbin/modprobe tifm_ms"
-SUBSYSTEM=="memstick", RUN+="/sbin/modprobe ms_block mspro_block"
-SUBSYSTEM=="i2o", RUN+="/sbin/modprobe i2o_block"
-SUBSYSTEM=="module", KERNEL=="parport_pc", RUN+="/sbin/modprobe ppdev"
-KERNEL=="mtd*ro", ENV{MTD_FTL}=="smartmedia", RUN+="/sbin/modprobe sm_ftl"
-
-LABEL="drivers_end"

rules/Makefile.am

@@ -26,14 +26,9 @@ dist_udevrules_DATA += \
 	60-persistent-storage.rules
 endif
 
-if HAVE_MODULES
+if HAVE_KMOD
-if HAVE_LIBKMOD
 dist_udevrules_DATA += \
 	80-drivers.rules
-else
-dist_udevrules_DATA += \
-	80-drivers-modprobe.rules
-endif
 endif
 
 if ENABLE_KEYMAP

src/udev/Makefile.am

@@ -2,7 +2,6 @@ ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
 
 AM_CPPFLAGS = \
 	-include $(top_builddir)/config.h \
-	-DMODPROBE=\"$(MODPROBE)\" \
 	-DROOTPREFIX=\"$(rootprefix)\" \
 	-DUDEV_HWDB_DIR=\"$(udevhwdbdir)\" \
 	-DUDEV_HWDB_BIN=\"$(udevhwdbbin)\" \
@@ -77,13 +76,13 @@ libudev_core_la_SOURCES += \
 	udev-builtin-blkid.c
 endif
 
-if HAVE_MODULES
+if HAVE_KMOD
 libudev_core_la_SOURCES += \
 	udev-builtin-kmod.c
-if HAVE_LIBKMOD
+libudev_core_la_CFLAGS += \
-libudev_core_la_CFLAGS += $(KMOD_CFLAGS)
+	$(KMOD_CFLAGS)
-libudev_core_la_LIBADD += $(KMOD_LIBS)
+libudev_core_la_LIBADD += \
-endif
+	$(KMOD_LIBS)
 endif
 
 #

src/udev/udev-builtin-kmod.c

@@ -27,20 +27,16 @@
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
-
-#ifdef HAVE_LIBKMOD
 #include <libkmod.h>
-#endif
 
 #include "udev.h"
 
 static struct kmod_ctx *ctx = NULL;
 
 static int load_module(struct udev *udev, const char *alias) {
-        int err;
-#ifdef HAVE_LIBKMOD
         struct kmod_list *list = NULL;
         struct kmod_list *l;
+        int err;
 
         err = kmod_module_new_from_lookup(ctx, alias, &list);
         if (err < 0)
@@ -64,24 +60,6 @@ static int load_module(struct udev *udev, const char *alias) {
         }
 
         kmod_module_unref_list(list);
-#else
-
-        /* 
-           These 3 temporaries are needed because argv (below) is a const pointer, not pointer to const
-        */
-        char *tmp_alias = strdup(alias);
-        char *tmp_modprobe = strdup(MODPROBE);
-        char *tmp_bq = strdup("-bq");
-        char *const argv[] = { tmp_modprobe, tmp_bq, tmp_alias, 0 };
-
-        err = execute_command(MODPROBE, argv);
-
-        free(tmp_alias);
-        free(tmp_modprobe);
-        free(tmp_bq);
-#endif
-        /*  both 'kmod_module_new_from_lookup' and 'execute_command' return <0 on error
-		    so it is ok to assign both to 'err' */
         return err;
 }
 
@@ -93,10 +71,8 @@ static int builtin_kmod(struct udev_device *dev, int argc, char *argv[], bool te
         struct udev *udev = udev_device_get_udev(dev);
         int i;
 
-#ifdef HAVE_LIBKMOD
         if (!ctx)
                 return 0;
-#endif
 
         if (argc < 3 || !streq(argv[1], "load")) {
                 log_error("expect: %s load <module>", argv[0]);
@@ -113,7 +89,6 @@ static int builtin_kmod(struct udev_device *dev, int argc, char *argv[], bool te
 
 /* called at udev startup and reload */
 static int builtin_kmod_init(struct udev *udev) {
-#ifdef HAVE_LIBKMOD
         if (ctx)
                 return 0;
 
@@ -124,19 +99,15 @@ static int builtin_kmod_init(struct udev *udev) {
         log_debug("Load module index");
         kmod_set_log_fn(ctx, udev_kmod_log, udev);
         kmod_load_resources(ctx);
-#endif
         return 0;
 }
 
 /* called on udev shutdown and reload request */
 static void builtin_kmod_exit(struct udev *udev) {
-#ifdef HAVE_LIBKMOD
         log_debug("Unload module index");
         ctx = kmod_unref(ctx);
-#endif
 }
 
-#ifdef HAVE_LIBKMOD
 /* called every couple of seconds during event activity; 'true' if config has changed */
 static bool builtin_kmod_validate(struct udev *udev) {
         log_debug("Validate module index");
@@ -144,16 +115,13 @@ static bool builtin_kmod_validate(struct udev *udev) {
                 return false;
         return (kmod_validate_resources(ctx) != KMOD_RESOURCES_OK);
 }
-#endif
 
 const struct udev_builtin udev_builtin_kmod = {
         .name = "kmod",
         .cmd = builtin_kmod,
         .init = builtin_kmod_init,
         .exit = builtin_kmod_exit,
-#ifdef HAVE_LIBKMOD
         .validate = builtin_kmod_validate,
-#endif
         .help = "Kernel module loader",
         .run_once = false,
 };

src/udev/udev-builtin.c

@@ -39,7 +39,7 @@ static const struct udev_builtin *builtins[] = {
 #ifdef ENABLE_KEYMAP
         [UDEV_BUILTIN_KEYBOARD] = &udev_builtin_keyboard,
 #endif
-#ifdef HAVE_MODULES
+#ifdef HAVE_KMOD
         [UDEV_BUILTIN_KMOD] = &udev_builtin_kmod,
 #endif
         [UDEV_BUILTIN_NET_ID] = &udev_builtin_net_id,

src/udev/udev.h

@@ -154,7 +154,7 @@ enum udev_builtin_cmd {
 #ifdef ENABLE_KEYMAP
         UDEV_BUILTIN_KEYBOARD,
 #endif
-#ifdef HAVE_MODULES
+#ifdef HAVE_KMOD
         UDEV_BUILTIN_KMOD,
 #endif
         UDEV_BUILTIN_NET_ID,
@@ -180,7 +180,7 @@ extern const struct udev_builtin udev_builtin_input_id;
 #ifdef ENABLE_KEYMAP
 extern const struct udev_builtin udev_builtin_keyboard;
 #endif
-#ifdef HAVE_MODULES
+#ifdef HAVE_KMOD
 extern const struct udev_builtin udev_builtin_kmod;
 #endif
 extern const struct udev_builtin udev_builtin_net_id;

test/Makefile.am

@@ -53,8 +53,9 @@ test_device_nodes_LDADD = \
 	$(top_builddir)/src/shared/libudev_shared.la \
 	$(top_builddir)/src/libudev/libudev-private.la
 
-if HAVE_LIBKMOD
+if HAVE_KMOD
-test_udev_LDADD += $(KMOD_LIBS)
+test_udev_LDADD += \
+	$(KMOD_LIBS)
 endif
 
 test_udev_CPPFLAGS = \