busybox: update to v1.13.4 (closes: #4279)

SVN-Revision: 16063

1 files changed, 19 insertions, 634 deletions

diff --git a/package/busybox/patches/470-insmod_search.patch b/package/busybox/patches/470-insmod_search.patch
index 62619c2..8d4b019 100644
--- a/package/busybox/patches/470-insmod_search.patch
+++ b/package/busybox/patches/470-insmod_search.patch
@@ -1,35 +1,17 @@
 --- a/modutils/insmod.c
 +++ b/modutils/insmod.c
-@@ -61,21 +61,117 @@
+@@ -9,6 +9,99 @@
+ 
  #include "libbb.h"
- #include <libgen.h>
- #include <sys/utsname.h>
-+#if ENABLE_FEATURE_2_6_MODULES
+ #include "modutils.h"
++#ifndef CONFIG_FEATURE_2_4_MODULES
 +#include <sys/mman.h>
 +#include <asm/unistd.h>
 +#include <sys/syscall.h>
++#include <sys/utsname.h>
 +#endif
- 
- #if !ENABLE_FEATURE_2_4_MODULES && !ENABLE_FEATURE_2_6_MODULES
- #undef ENABLE_FEATURE_2_4_MODULES
- #define ENABLE_FEATURE_2_4_MODULES 1
- #endif
- 
--/*
-- * Big piece of 2.4-specific code
-- */
- #if ENABLE_FEATURE_2_4_MODULES
--
-+int insmod_main_24(int argc, char **argv);
-+#endif
- #if ENABLE_FEATURE_2_6_MODULES
--static int insmod_ng_main(int argc, char **argv);
-+int insmod_main_26(int argc, char **argv);
- #endif
-+int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 +
 +static char *g_filename = NULL;
-+#define _PATH_MODULES	"/lib/modules"
 +
 +static int FAST_FUNC check_module_name_match(const char *filename, struct stat *statbuf,
 +				   void *userdata, int depth)
@@ -92,7 +74,7 @@
 +	* follow symlinks, but we do want to follow the
 +	* /lib/modules/`uname -r` dir, So resolve it ourselves
 +	* if it is a link... */
-+	module_dir = concat_path_file(_PATH_MODULES, myuname.release);
++	module_dir = concat_path_file(CONFIG_DEFAULT_MODULES_DIR, myuname.release);
 +	if (realpath(module_dir, real_module_dir) != NULL) {
 +		free(module_dir);
 +		module_dir = real_module_dir;
@@ -112,623 +94,26 @@
 +
 +done:
 +	free(filename);
- 
-+	return ret;
-+}
-+
-+/*
-+ * Big piece of 2.4-specific code
-+ */
-+#if ENABLE_FEATURE_2_4_MODULES
- #if ENABLE_FEATURE_INSMOD_LOADINKMEM
- #define LOADBITS 0
- #else
-@@ -184,7 +280,6 @@ static int insmod_ng_main(int argc, char
- /* Microblaze */
- #if defined(__microblaze__)
- #define USE_SINGLE
--#include <linux/elf-em.h>
- #define MATCH_MACHINE(x) (x == EM_XILINX_MICROBLAZE)
- #define SHT_RELM	SHT_RELA
- #define Elf32_RelM	Elf32_Rela
-@@ -452,7 +547,7 @@ enum {
- /* The system calls unchanged between 2.0 and 2.1.  */
- 
- unsigned long create_module(const char *, size_t);
--int delete_module(const char *module, unsigned int flags);
-+int delete_module(const char *);
- 
- 
- #endif /* module.h */
-@@ -652,7 +747,7 @@ static struct obj_symbol *arch_new_symbo
- 
- static enum obj_reloc arch_apply_relocation(struct obj_file *f,
- 				      struct obj_section *targsec,
--				      /*struct obj_section *symsec,*/
-+				      struct obj_section *symsec,
- 				      struct obj_symbol *sym,
- 				      ElfW(RelM) *rel, ElfW(Addr) value);
- 
-@@ -673,6 +768,7 @@ static int obj_gpl_license(struct obj_fi
- #define SPFX	""
- #endif
- 
 +
- enum { STRVERSIONLEN = 64 };
- 
- /*======================================================================*/
-@@ -788,28 +884,6 @@ static char *m_filename;
- static char *m_fullName;
- 
- 
--/*======================================================================*/
--
--
--static int FAST_FUNC check_module_name_match(const char *filename,
--		struct stat *statbuf UNUSED_PARAM,
--		void *userdata, int depth UNUSED_PARAM)
--{
--	char *fullname = (char *) userdata;
--	char *tmp;
--
--	if (fullname[0] == '\0')
--		return FALSE;
--
--	tmp = bb_get_last_path_component_nostrip(filename);
--	if (strcmp(tmp, fullname) == 0) {
--		/* Stop searching if we find a match */
--		m_filename = xstrdup(filename);
--		return FALSE;
--	}
--	return TRUE;
--}
--
- 
- /*======================================================================*/
- 
-@@ -835,32 +909,20 @@ static struct obj_symbol *arch_new_symbo
- static enum obj_reloc
- arch_apply_relocation(struct obj_file *f,
- 				struct obj_section *targsec,
--				/*struct obj_section *symsec,*/
-+				struct obj_section *symsec,
- 				struct obj_symbol *sym,
- 				ElfW(RelM) *rel, ElfW(Addr) v)
- {
--#if defined(__arm__) || defined(__i386__) || defined(__mc68000__) \
-- || defined(__sh__) || defined(__s390__) || defined(__x86_64__) \
-- || defined(__powerpc__) || defined(__mips__)
- 	struct arch_file *ifile = (struct arch_file *) f;
--#endif
- 	enum obj_reloc ret = obj_reloc_ok;
- 	ElfW(Addr) *loc = (ElfW(Addr) *) (targsec->contents + rel->r_offset);
--#if defined(__arm__) || defined(__H8300H__) || defined(__H8300S__) \
-- || defined(__i386__) || defined(__mc68000__) || defined(__microblaze__) \
-- || defined(__mips__) || defined(__nios2__) || defined(__powerpc__) \
-- || defined(__s390__) || defined(__sh__) || defined(__x86_64__)
- 	ElfW(Addr) dot = targsec->header.sh_addr + rel->r_offset;
--#endif
- #if defined(USE_GOT_ENTRIES) || defined(USE_PLT_ENTRIES)
- 	struct arch_symbol *isym = (struct arch_symbol *) sym;
- #endif
--#if defined(__arm__) || defined(__i386__) || defined(__mc68000__) \
-- || defined(__sh__) || defined(__s390__)
- #if defined(USE_GOT_ENTRIES)
- 	ElfW(Addr) got = ifile->got ? ifile->got->header.sh_addr : 0;
- #endif
--#endif
- #if defined(USE_PLT_ENTRIES)
- 	ElfW(Addr) plt = ifile->plt ? ifile->plt->header.sh_addr : 0;
- 	unsigned long *ip;
-@@ -954,7 +1016,6 @@ arch_apply_relocation(struct obj_file *f
- 
- 		case R_386_PLT32:
- 		case R_386_PC32:
--		case R_386_GOTOFF:
- 			*loc += v - dot;
- 			break;
- 
-@@ -973,6 +1034,9 @@ arch_apply_relocation(struct obj_file *f
- 
- 		case R_386_GOT32:
- 			goto bb_use_got;
-+
-+		case R_386_GOTOFF:
-+			*loc += v - got;
- 			break;
- 
- #elif defined(__microblaze__)
-@@ -1764,7 +1828,7 @@ static int arch_list_add(ElfW(RelM) *rel
- 
- #if defined(USE_SINGLE)
- 
--static int arch_single_init(/*ElfW(RelM) *rel,*/ struct arch_single_entry *single,
-+static int arch_single_init(ElfW(RelM) *rel, struct arch_single_entry *single,
- 			     int offset, int size)
- {
- 	if (single->allocated == 0) {
-@@ -1912,7 +1976,7 @@ static void arch_create_got(struct obj_f
- #if defined(USE_GOT_ENTRIES)
- 			if (got_allocate) {
- 				got_offset += arch_single_init(
--						/*rel,*/ &intsym->gotent,
-+						rel, &intsym->gotent,
- 						got_offset, GOT_ENTRY_SIZE);
- 
- 				got_needed = 1;
-@@ -1926,7 +1990,7 @@ static void arch_create_got(struct obj_f
- 						plt_offset, PLT_ENTRY_SIZE);
- #else
- 				plt_offset += arch_single_init(
--						/*rel,*/ &intsym->pltent,
-+						rel, &intsym->pltent,
- 						plt_offset, PLT_ENTRY_SIZE);
- #endif
- 				plt_needed = 1;
-@@ -1964,8 +2028,7 @@ static unsigned long obj_elf_hash_n(cons
- 	while (n > 0) {
- 		ch = *name++;
- 		h = (h << 4) + ch;
--		g = (h & 0xf0000000);
--		if (g != 0) {
-+		if ((g = (h & 0xf0000000)) != 0) {
- 			h ^= g >> 24;
- 			h &= ~g;
- 		}
-@@ -2044,7 +2107,7 @@ obj_add_symbol(struct obj_file *f, const
- 	int n_type = ELF_ST_TYPE(info);
- 	int n_binding = ELF_ST_BIND(info);
- 
--	for (sym = f->symtab[hash]; sym; sym = sym->next) {
-+	for (sym = f->symtab[hash]; sym; sym = sym->next)
- 		if (f->symbol_cmp(sym->name, name) == 0) {
- 			int o_secidx = sym->secidx;
- 			int o_info = sym->info;
-@@ -2103,14 +2166,14 @@ obj_add_symbol(struct obj_file *f, const
- 				return sym;
- 			}
- 		}
--	}
- 
- 	/* Completely new symbol.  */
- 	sym = arch_new_symbol();
- 	sym->next = f->symtab[hash];
- 	f->symtab[hash] = sym;
- 	sym->ksymidx = -1;
--	if (ELF_ST_BIND(info) == STB_LOCAL && symidx != (unsigned long)(-1)) {
-+
-+	if (ELF_ST_BIND(info) == STB_LOCAL && symidx != -1) {
- 		if (symidx >= f->local_symtab_size)
- 			bb_error_msg("local symbol %s with index %ld exceeds local_symtab_size %ld",
- 					name, (long) symidx, (long) f->local_symtab_size);
-@@ -3234,7 +3297,7 @@ static int obj_relocate(struct obj_file 
- 
- 			/* Do it! */
- 			switch (arch_apply_relocation
--					(f, targsec, /*symsec,*/ intsym, rel, value)
-+					(f, targsec, symsec, intsym, rel, value)
- 			) {
- 			case obj_reloc_ok:
- 				break;
-@@ -3313,11 +3376,11 @@ static int obj_create_image(struct obj_f
- 
- /*======================================================================*/
- 
--static struct obj_file *obj_load(FILE *fp, int loadprogbits UNUSED_PARAM)
-+static struct obj_file *obj_load(FILE *fp, int loadprogbits)
- {
- 	struct obj_file *f;
- 	ElfW(Shdr) * section_headers;
--	size_t shnum, i;
-+	int shnum, i;
- 	char *shstrtab;
- 
- 	/* Read the file header.  */
-@@ -3591,7 +3654,7 @@ static int obj_gpl_license(struct obj_fi
- 		while (ptr < endptr) {
- 			value = strchr(ptr, '=');
- 			if (value && strncmp(ptr, "license", value-ptr) == 0) {
--				unsigned i;
-+				int i;
- 				if (license)
- 					*license = value+1;
- 				for (i = 0; i < ARRAY_SIZE(gpl_licenses); ++i) {
-@@ -3695,9 +3758,6 @@ static void check_tainted_module(struct 
-  * start of some sections.  this info is used by ksymoops to do better
-  * debugging.
-  */
--#if !ENABLE_FEATURE_INSMOD_VERSION_CHECKING
--#define get_module_version(f, str) get_module_version(str)
--#endif
- static int
- get_module_version(struct obj_file *f, char str[STRVERSIONLEN])
- {
-@@ -3730,8 +3790,7 @@ add_ksymoops_symbols(struct obj_file *f,
- 	struct obj_symbol *sym;
- 	char *name, *absolute_filename;
- 	char str[STRVERSIONLEN];
--	unsigned i;
--	int l, lm_name, lfilename, use_ksymtab, version;
-+	int i, l, lm_name, lfilename, use_ksymtab, version;
- 	struct stat statbuf;
- 
- 	/* WARNING: was using realpath, but replaced by readlink to stop using
-@@ -3922,145 +3981,57 @@ static void print_load_map(struct obj_fi
- void print_load_map(struct obj_file *f);
- #endif
- 
--int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
--int insmod_main(int argc, char **argv)
-+int insmod_main_24( int argc, char **argv)
- {
- 	char *opt_o, *arg1;
--	int len;
- 	int k_crcs;
--	char *tmp, *tmp1;
- 	unsigned long m_size;
- 	ElfW(Addr) m_addr;
- 	struct obj_file *f;
--	struct stat st;
--	char *m_name = NULL;
--	int exit_status = EXIT_FAILURE;
-+	char *tmp = NULL, *m_name = NULL;
-+	int ret = EINVAL;
- 	int m_has_modinfo;
- #if ENABLE_FEATURE_INSMOD_VERSION_CHECKING
- 	struct utsname uts_info;
- 	char m_strversion[STRVERSIONLEN];
- 	int m_version, m_crcs;
- #endif
--#if ENABLE_FEATURE_CLEAN_UP
- 	FILE *fp = NULL;
--#else
--	FILE *fp;
--#endif
--	int k_version = 0;
-+	int k_version;
- 	struct utsname myuname;
- 
-+	/* check the kernel version */
-+	if ((uname(&myuname) != 0) || (myuname.release[0] != '2'))
-+		return EINVAL;
-+
-+	k_version = myuname.release[2] - '0';
-+	if (k_version > 4)
-+		return ENOTSUP;
-+
- 	/* Parse any options */
- 	getopt32(argv, OPTION_STR, &opt_o);
- 	arg1 = argv[optind];
- 	if (option_mask32 & OPT_o) { // -o /* name the output module */
--		free(m_name);
- 		m_name = xstrdup(opt_o);
- 	}
- 
--	if (arg1 == NULL) {
-+	if (arg1 == NULL)
- 		bb_show_usage();
--	}
--
--	/* Grab the module name */
--	tmp1 = xstrdup(arg1);
--	tmp = basename(tmp1);
--	len = strlen(tmp);
--
--	if (uname(&myuname) == 0) {
--		if (myuname.release[0] == '2') {
--			k_version = myuname.release[2] - '0';
--		}
--	}
- 
--#if ENABLE_FEATURE_2_6_MODULES
--	if (k_version > 4 && len > 3 && tmp[len - 3] == '.'
--	 && tmp[len - 2] == 'k' && tmp[len - 1] == 'o'
--	) {
--		len -= 3;
--		tmp[len] = '\0';
--	} else
--#endif
--		if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o') {
--			len -= 2;
--			tmp[len] = '\0';
--		}
--
--
--#if ENABLE_FEATURE_2_6_MODULES
--	if (k_version > 4)
--		m_fullName = xasprintf("%s.ko", tmp);
--	else
--#endif
--		m_fullName = xasprintf("%s.o", tmp);
-+	ret = find_module(arg1);
-+	if (ret)
-+		goto out;
- 
- 	if (!m_name) {
--		m_name = tmp;
--	} else {
--		free(tmp1);
--		tmp1 = NULL;       /* flag for free(m_name) before exit() */
--	}
--
--	/* Get a filedesc for the module.  Check that we have a complete path */
--	if (stat(arg1, &st) < 0 || !S_ISREG(st.st_mode)
--	 || (fp = fopen_for_read(arg1)) == NULL
--	) {
--		/* Hmm.  Could not open it.  First search under /lib/modules/`uname -r`,
--		 * but do not error out yet if we fail to find it... */
--		if (k_version) {	/* uname succeedd */
--			char *module_dir;
--			char *tmdn;
--
--			tmdn = concat_path_file(CONFIG_DEFAULT_MODULES_DIR, myuname.release);
--			/* Jump through hoops in case /lib/modules/`uname -r`
--			 * is a symlink.  We do not want recursive_action to
--			 * follow symlinks, but we do want to follow the
--			 * /lib/modules/`uname -r` dir, So resolve it ourselves
--			 * if it is a link... */
--			module_dir = xmalloc_readlink(tmdn);
--			if (!module_dir)
--				module_dir = xstrdup(tmdn);
--			recursive_action(module_dir, ACTION_RECURSE,
--					check_module_name_match, NULL, m_fullName, 0);
--			free(module_dir);
--			free(tmdn);
--		}
--
--		/* Check if we have found anything yet */
--		if (!m_filename || ((fp = fopen_for_read(m_filename)) == NULL)) {
--			int r;
--			char *module_dir;
--
--			free(m_filename);
--			m_filename = NULL;
--			module_dir = xmalloc_readlink(CONFIG_DEFAULT_MODULES_DIR);
--			if (!module_dir)
--				module_dir = xstrdup(CONFIG_DEFAULT_MODULES_DIR);
--			/* No module found under /lib/modules/`uname -r`, this
--			 * time cast the net a bit wider.  Search /lib/modules/ */
--			r = recursive_action(module_dir, ACTION_RECURSE,
--					check_module_name_match, NULL, m_fullName, 0);
--			if (r)
--				bb_error_msg_and_die("%s: module not found", m_fullName);
--			free(module_dir);
--			if (m_filename == NULL
--			 || ((fp = fopen_for_read(m_filename)) == NULL)
--			) {
--				bb_error_msg_and_die("%s: module not found", m_fullName);
--			}
-+		tmp = xstrdup(arg1);
-+		m_name = basename(tmp);
- 		}
--	} else
--		m_filename = xstrdup(arg1);
--
--	if (flag_verbose)
--		printf("Using %s\n", m_filename);
- 
--#if ENABLE_FEATURE_2_6_MODULES
--	if (k_version > 4) {
--		argv[optind] = m_filename;
--		optind--;
--		return insmod_ng_main(argc - optind, argv + optind);
-+	fp = fopen_for_read(g_filename);
-+	if (!fp) {
-+		ret = errno;
-+		goto out;
- 	}
--#endif
- 
- 	f = obj_load(fp, LOADBITS);
- 
-@@ -4087,7 +4058,7 @@ int insmod_main(int argc, char **argv)
- 				"\t%s was compiled for kernel version %s\n"
- 				"\twhile this kernel is version %s",
- 				flag_force_load ? "warning: " : "",
--				m_filename, m_strversion, uts_info.release);
-+				g_filename, m_strversion, uts_info.release);
- 			if (!flag_force_load)
- 				goto out;
- 		}
-@@ -4129,7 +4100,7 @@ int insmod_main(int argc, char **argv)
- 	hide_special_symbols(f);
- 
- #if ENABLE_FEATURE_INSMOD_KSYMOOPS_SYMBOLS
--	add_ksymoops_symbols(f, m_filename, m_name);
-+	add_ksymoops_symbols(f, g_filename, m_name);
- #endif /* FEATURE_INSMOD_KSYMOOPS_SYMBOLS */
- 
- 	new_create_module_ksymtab(f);
-@@ -4138,7 +4109,7 @@ int insmod_main(int argc, char **argv)
- 	m_size = obj_load_size(f);
- 
- 	m_addr = create_module(m_name, m_size);
--	if (m_addr == (ElfW(Addr))(-1)) switch (errno) {
-+	if (m_addr == -1) switch (errno) {
- 		case EEXIST:
- 			bb_error_msg_and_die("a module named %s already exists", m_name);
- 		case ENOMEM:
-@@ -4154,36 +4125,37 @@ int insmod_main(int argc, char **argv)
- 	 * now we can load them directly into the kernel memory
- 	 */
- 	if (!obj_load_progbits(fp, f, (char*)m_addr)) {
--		delete_module(m_name, 0);
-+		delete_module(m_name);
- 		goto out;
- 	}
- #endif
- 
- 	if (!obj_relocate(f, m_addr)) {
--		delete_module(m_name, 0);
-+		delete_module(m_name);
- 		goto out;
- 	}
- 
- 	if (!new_init_module(m_name, f, m_size)) {
--		delete_module(m_name, 0);
-+		delete_module(m_name);
- 		goto out;
- 	}
- 
- 	if (flag_print_load_map)
- 		print_load_map(f);
- 
--	exit_status = EXIT_SUCCESS;
-+	ret = EXIT_SUCCESS;
- 
-  out:
- #if ENABLE_FEATURE_CLEAN_UP
- 	if (fp)
- 		fclose(fp);
--	free(tmp1);
--	if (!tmp1)
-+	if (tmp)
-+		free(tmp);
-+	else if (m_name)
- 		free(m_name);
--	free(m_filename);
-+	free(g_filename);
- #endif
--	return exit_status;
 +	return ret;
- }
- 
- #endif /* ENABLE_FEATURE_2_4_MODULES */
-@@ -4195,15 +4167,8 @@ int insmod_main(int argc, char **argv)
- #if ENABLE_FEATURE_2_6_MODULES
- 
- #include <sys/mman.h>
--
--#if defined __UCLIBC__ && !ENABLE_FEATURE_2_4_MODULES
--/* big time suckage. The old prototype above renders our nice fwd-decl wrong */
--extern int init_module(void *module, unsigned long len, const char *options);
--#else
- #include <asm/unistd.h>
- #include <sys/syscall.h>
--#define init_module(mod, len, opts) syscall(__NR_init_module, mod, len, opts)
--#endif
- 
- /* We use error numbers in a loose translation... */
- static const char *moderror(int err)
-@@ -4222,22 +4187,32 @@ static const char *moderror(int err)
- 	}
- }
- 
--#if !ENABLE_FEATURE_2_4_MODULES
--int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
--int insmod_main(int argc UNUSED_PARAM, char **argv)
--#else
--static int insmod_ng_main(int argc UNUSED_PARAM, char **argv)
--#endif
-+int insmod_main_26(int argc, char **argv)
- {
--	size_t len;
-+	char *filename, *options;
-+	struct utsname myuname;
-+	int k_version;
- 	int optlen;
-+	size_t len;
- 	void *map;
--	char *filename, *options;
-+	long ret = 0;
-+
-+	/* check the kernel version */
-+	if ((uname(&myuname) != 0) || (myuname.release[0] != '2'))
-+		return EINVAL;
-+
-+	k_version = myuname.release[2] - '0';
-+	if (k_version <= 4)
-+		return ENOTSUP;
++}
  
- 	filename = *++argv;
+ int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+ int insmod_main(int argc UNUSED_PARAM, char **argv)
+@@ -25,9 +118,14 @@ int insmod_main(int argc UNUSED_PARAM, c
  	if (!filename)
  		bb_show_usage();
  
-+	ret = find_module(filename);
-+	if (ret || (g_filename == NULL))
-+		goto done;
+-	rc = bb_init_module(filename, parse_cmdline_module_options(argv));
++	rc = find_module(filename);
++	if (rc || (g_filename == NULL))
++			goto done;
 +
- 	/* Rest is options */
- 	options = xzalloc(1);
- 	optlen = 0;
-@@ -4247,41 +4222,47 @@ static int insmod_ng_main(int argc UNUSE
- 		optlen += sprintf(options + optlen, (strchr(*argv,' ') ? "\"%s\" " : "%s "), *argv);
- 	}
- 
--#if 0
--	/* Any special reason why mmap? It isn't performance critical. -vda */
--	/* Yes, xmalloc'ing can use *alot* of RAM. Don't forget that there are
--	 * modules out there that are half a megabyte! mmap()ing is way nicer
--	 * for small mem boxes, i guess. */
--	/* But after load, these modules will take up that 0.5mb in kernel
--	 * anyway. Using malloc here causes only a transient spike to 1mb,
--	 * after module is loaded, we go back to normal 0.5mb usage
--	 * (in kernel). Also, mmap isn't magic - when we touch mapped data,
--	 * we use memory. -vda */
--	int fd;
--	struct stat st;
--	unsigned long len;
--	fd = xopen(filename, O_RDONLY);
--	fstat(fd, &st);
--	len = st.st_size;
--	map = mmap(NULL, len, PROT_READ, MAP_PRIVATE, fd, 0);
--	if (map == MAP_FAILED) {
--		bb_perror_msg_and_die("cannot mmap '%s'", filename);
--	}
++	rc = bb_init_module(g_filename, parse_cmdline_module_options(argv));
+ 	if (rc)
+ 		bb_error_msg("cannot insert '%s': %s", filename, moderror(rc));
 -
--	/* map == NULL on Blackfin, probably on other MMU-less systems too. Workaround. */
--	if (map == NULL) {
--		map = xmalloc(len);
--		xread(fd, map, len);
--	}
--#else
- 	len = MAXINT(ssize_t);
--	map = xmalloc_xopen_read_close(filename, &len);
--#endif
-+	map = xmalloc_open_read_close(g_filename, &len);
-+	ret = syscall(__NR_init_module, map, len, options);
-+	if (ret != 0) {
-+		bb_perror_msg_and_die("cannot insert '%s': %s (%li)",
-+				g_filename, moderror(errno), ret);
-+	}
++	free (g_filename);
 +done:
-+	if (g_filename && (g_filename != filename))
-+		free(g_filename);
- 
--	if (init_module(map, len, options) != 0)
--		bb_error_msg_and_die("cannot insert '%s': %s",
--				filename, moderror(errno));
--	return 0;
-+	return ret;
+ 	return rc;
  }
- 
- #endif
-+
-+int insmod_main(int argc, char **argv)
-+{
-+	int ret;
-+
-+	g_filename = NULL;
-+#if ENABLE_FEATURE_2_6_MODULES
-+	ret = insmod_main_26(argc, argv);
-+	if (ret != ENOTSUP)
-+		goto done;
-+#endif
-+
-+#if ENABLE_FEATURE_2_4_MODULES
-+	ret = insmod_main_24(argc, argv);
-+	if (ret != ENOTSUP)
-+		goto done;
-+#endif
-+
-+	fprintf(stderr, "Error: Kernel version not supported\n");
-+	return 1;
-+
-+done:
-+	if (ret) {
-+		errno = ret;
-+		bb_perror_msg("Loading module failed");
-+		return ret;
-+	} else
-+		return 0;
-+}