busybox: 1.13.2 depmod fix

package/busybox/busybox-1.13.2-depmod.patch

@@ -0,0 +1,121 @@
+--- busybox-1.13.2/modutils/depmod.c	Sun Nov  9 18:28:03 2008
++++ busybox-1.13.2-depmod/modutils/depmod.c	Mon Jan 12 23:12:59 2009
+@@ -33,7 +33,7 @@
+ enum {
+ 	ARG_a = (1<<0), /* All modules, ignore mods in argv */
+ 	ARG_A = (1<<1), /* Only emit .ko that are newer than modules.dep file */
+-	ARG_b = (1<<2), /* not /lib/modules/$(uname -r)/ but this base-dir */
++	ARG_b = (1<<2), /* base directory when modules are in staging area */
+ 	ARG_e = (1<<3), /* with -F, print unresolved symbols */
+ 	ARG_F = (1<<4), /* System.map that contains the symbols */
+ 	ARG_n = (1<<5)  /* dry-run, print to stdout only */
+@@ -57,7 +57,7 @@
+ 	*first = info;
+ 
+ 	info->dnext = info->dprev = info;
+-	info->name = xstrdup(fname);
++	info->name = xasprintf("/%s", fname);
+ 	info->modname = filename2modname(fname, NULL);
+ 	for (ptr = image; ptr < image + len - 10; ptr++) {
+ 		if (strncmp(ptr, "depends=", 8) == 0) {
+@@ -123,44 +123,61 @@
+ 	}
+ }
+ 
++static void xfreopen_write(const char *file, FILE *f)
++{
++	if (freopen(file, "w", f) == NULL)
++		bb_perror_msg_and_die("can't open '%s'", file);
++}
++
+ int depmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+ int depmod_main(int argc UNUSED_PARAM, char **argv)
+ {
+ 	module_info *modules = NULL, *m, *dep;
+-	char *moddir_base = (char *)CONFIG_DEFAULT_MODULES_DIR;
++	const char *moddir_base = "/";
++	char *moddir, *version;
++	struct utsname uts;
+ 	int tmp;
+ 
+ 	getopt32(argv, "aAb:eF:n", &moddir_base, NULL);
+ 	argv += optind;
+ 
+ 	/* goto modules location */
++	xchdir(moddir_base);
+ 
+ 	/* If a version is provided, then that kernel version's module directory
+ 	 * is used, rather than the current kernel version (as returned by
+ 	 * "uname -r").  */
+-	xchdir(moddir_base);
+-	if (*argv && (sscanf(*argv, "%d.%d.%d", &tmp, &tmp, &tmp) == 3)) {
+-		xchdir(*argv++);
++	if (*argv && sscanf(*argv, "%d.%d.%d", &tmp, &tmp, &tmp) == 3) {
++		version = *argv++;
+ 	} else {
+-		struct utsname uts;
+ 		uname(&uts);
+-		xchdir(uts.release);
++		version = uts.release;
+ 	}
+-	/* If no modules are given on the command-line, -a is on per default.  */
+-	option_mask32 |= *argv == NULL;
++	moddir = concat_path_file(&CONFIG_DEFAULT_MODULES_DIR[1], version);
+ 
+ 	/* Scan modules */
+-	moddir_base = xrealloc_getcwd_or_warn(NULL);
+-	do {
+-		recursive_action((option_mask32 & ARG_a) ? moddir_base : *argv,
+-				ACTION_RECURSE, parse_module, NULL,  &modules, 0);
+-	} while (!(option_mask32 & ARG_a) && *(++argv));
++	if (*argv) {
++		char *modfile;
++		struct stat sb;
++		do {
++			modfile = concat_path_file(moddir, *argv);
++			xstat(modfile, &sb);
++			parse_module(modfile, &sb, &modules, 0);
++			free(modfile);
++		} while (*(++argv));
++	} else {
++		recursive_action(moddir, ACTION_RECURSE,
++				 parse_module, NULL, &modules, 0);
++	}
++
++	/* Prepare for writing out the dep files */
++	xchdir(moddir);
+ 	if (ENABLE_FEATURE_CLEAN_UP)
+-		free(moddir_base);
++		free(moddir);
+ 
+ 	/* Generate dependency and alias files */
+ 	if (!(option_mask32 & ARG_n))
+-		freopen(CONFIG_DEFAULT_DEPMOD_FILE, "w", stdout);
++		xfreopen_write(CONFIG_DEFAULT_DEPMOD_FILE, stdout);
+ 	for (m = modules; m != NULL; m = m->next) {
+ 		printf("%s:", m->name);
+ 
+@@ -174,12 +191,12 @@
+ 			dep->dprev->dnext = dep->dnext;
+ 			dep->dnext = dep->dprev = dep;
+ 		}
+-		puts("");
++		bb_putchar('\n');
+ 	}
+ 
+ #if ENABLE_FEATURE_MODUTILS_ALIAS
+ 	if (!(option_mask32 & ARG_n))
+-		freopen("modules.alias", "w", stdout);
++		xfreopen_write("modules.alias", stdout);
+ 	for (m = modules; m != NULL; m = m->next) {
+ 		while (m->aliases) {
+ 			printf("alias %s %s\n",
+@@ -190,7 +207,7 @@
+ #endif
+ #if ENABLE_FEATURE_MODUTILS_SYMBOLS
+ 	if (!(option_mask32 & ARG_n))
+-		freopen("modules.symbols", "w", stdout);
++		xfreopen_write("modules.symbols", stdout);
+ 	for (m = modules; m != NULL; m = m->next) {
+ 		while (m->symbols) {
+ 			printf("alias symbol:%s %s\n",