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authorImre Kaloz <kaloz@openwrt.org>2007-06-08 10:26:34 +0000
committerImre Kaloz <kaloz@openwrt.org>2007-06-08 10:26:34 +0000
commita2f2b9cfad9e3c8d2b3009ed21ebfed5ffb2597f (patch)
tree38ad2ad45b06f1d9f4e881f85bb56fe1334afc92 /package/busybox/patches
parent741dbcff1626c2745296cfb2410b3f3d762b85fc (diff)
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fix insmod search when 2.4 module support is disabled
SVN-Revision: 7528
Diffstat (limited to 'package/busybox/patches')
-rw-r--r--package/busybox/patches/999-insmod2.6_search.patch196
1 files changed, 196 insertions, 0 deletions
diff --git a/package/busybox/patches/999-insmod2.6_search.patch b/package/busybox/patches/999-insmod2.6_search.patch
new file mode 100644
index 0000000..5a93b02
--- /dev/null
+++ b/package/busybox/patches/999-insmod2.6_search.patch
@@ -0,0 +1,196 @@
+--- busybox/modutils/insmod.c 2007-05-11 12:10:43.000000000 +0200
++++ busybox/modutils/insmod.c 2007-05-11 12:12:15.000000000 +0200
+@@ -75,6 +75,30 @@
+ extern int insmod_ng_main( int argc, char **argv);
+ #endif
+
++static char *m_filename;
++static char *m_fullName;
++#define _PATH_MODULES "/lib/modules"
++
++static int check_module_name_match(const char *filename, struct stat *statbuf,
++ void *userdata, int depth)
++{
++ char *fullname = (char *) userdata;
++
++ if (fullname[0] == '\0')
++ return FALSE;
++ else {
++ char *tmp, *tmp1 = xstrdup(filename);
++ tmp = bb_get_last_path_component(tmp1);
++ if (strcmp(tmp, fullname) == 0) {
++ free(tmp1);
++ /* Stop searching if we find a match */
++ m_filename = xstrdup(filename);
++ return FALSE;
++ }
++ free(tmp1);
++ }
++ return TRUE;
++}
+
+ #if ENABLE_FEATURE_2_4_MODULES
+
+@@ -680,7 +704,6 @@
+ #endif
+
+
+-#define _PATH_MODULES "/lib/modules"
+ enum { STRVERSIONLEN = 64 };
+
+ /*======================================================================*/
+@@ -793,37 +816,6 @@
+ static int n_ext_modules_used;
+ extern int delete_module(const char *);
+
+-static char *m_filename;
+-static char *m_fullName;
+-
+-
+-/*======================================================================*/
+-
+-
+-static int check_module_name_match(const char *filename, struct stat *statbuf,
+- void *userdata, int depth)
+-{
+- char *fullname = (char *) userdata;
+-
+- if (fullname[0] == '\0')
+- return FALSE;
+- else {
+- char *tmp, *tmp1 = xstrdup(filename);
+- tmp = bb_get_last_path_component(tmp1);
+- if (strcmp(tmp, fullname) == 0) {
+- free(tmp1);
+- /* Stop searching if we find a match */
+- m_filename = xstrdup(filename);
+- return FALSE;
+- }
+- free(tmp1);
+- }
+- return TRUE;
+-}
+-
+-
+-/*======================================================================*/
+-
+ static struct obj_file *arch_new_file(void)
+ {
+ struct arch_file *f;
+@@ -4265,14 +4257,97 @@
+ long ret;
+ size_t len;
+ void *map;
+- char *filename, *options;
++ char *options, *tmp;
++ struct stat st;
++#if ENABLE_FEATURE_CLEAN_UP
++ FILE *fp = 0;
++#else
++ FILE *fp;
++#endif
++ int k_version = 0;
++ struct utsname myuname;
+
+- filename = *++argv;
+- if (!filename)
++ if (argc < 2)
+ bb_show_usage();
+
++#if !ENABLE_FEATURE_2_4_MODULES
++ /* Grab the module name */
++ tmp = basename(xstrdup(argv[1]));
++ len = strlen(tmp);
++
++ if (uname(&myuname) == 0) {
++ if (myuname.release[0] == '2') {
++ k_version = myuname.release[2] - '0';
++ }
++ }
++
++ if (len > 3 && tmp[len - 3] == '.' && tmp[len - 2] == 'k' && tmp[len - 1] == 'o') {
++ len -= 3;
++ tmp[len] = '\0';
++ }
++
++
++ m_fullName = xasprintf("%s.ko", tmp);
++
++ /* Get a filedesc for the module. Check we we have a complete path */
++ if (stat(argv[1], &st) < 0 || !S_ISREG(st.st_mode)
++ || (fp = fopen(argv[1], "r")) == 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;
++ char real_module_dir[FILENAME_MAX];
++
++ tmdn = concat_path_file(_PATH_MODULES, 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... */
++ if (realpath(tmdn, real_module_dir) == NULL)
++ module_dir = tmdn;
++ else
++ module_dir = real_module_dir;
++ recursive_action(module_dir, TRUE, FALSE, FALSE,
++ check_module_name_match, 0, m_fullName, 0);
++ free(tmdn);
++ }
++
++ /* Check if we have found anything yet */
++ if (m_filename == 0 || ((fp = fopen(m_filename, "r")) == NULL)) {
++ char module_dir[FILENAME_MAX];
++
++ free(m_filename);
++ m_filename = 0;
++ if (realpath (_PATH_MODULES, module_dir) == NULL)
++ strcpy(module_dir, _PATH_MODULES);
++ /* No module found under /lib/modules/`uname -r`, this
++ * time cast the net a bit wider. Search /lib/modules/ */
++ if (!recursive_action(module_dir, TRUE, FALSE, FALSE,
++ check_module_name_match, 0, m_fullName, 0)
++ ) {
++ if (m_filename == 0
++ || ((fp = fopen(m_filename, "r")) == NULL)
++ ) {
++ bb_error_msg("%s: no module by that name found", m_fullName);
++#if ENABLE_FEATURE_CLEAN_UP
++ if(fp)
++ fclose(fp);
++ free(m_filename);
++#endif
++ }
++ } else
++ bb_error_msg_and_die("%s: no module by that name found", m_fullName);
++ }
++ } else
++ m_filename = xstrdup(argv[1]);
++#endif
++
+ /* Rest is options */
+ options = xstrdup("");
++ argv++;
+ while (*++argv) {
+ int optlen = strlen(options);
+ options = xrealloc(options, optlen + 2 + strlen(*argv) + 2);
+@@ -4300,13 +4375,13 @@
+ }
+ #else
+ len = MAXINT(ssize_t);
+- map = xmalloc_open_read_close(filename, &len);
++ map = xmalloc_open_read_close(m_filename, &len);
+ #endif
+
+ ret = syscall(__NR_init_module, map, len, options);
+ if (ret != 0) {
+ bb_perror_msg_and_die("cannot insert '%s': %s (%li)",
+- filename, moderror(errno), ret);
++ m_filename, moderror(errno), ret);
+ }
+
+ return 0;