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Patrick Huesmann writes:

Browse Source 
Hi,

    There was some problem with busybox modprobe. For details see
    http://www.busybox.net/lists/busybox/2004-May/011507.html

    I made a patch against busybox-1.00-pre10 to fix that one.

This is a slight variant of Patrick's patch with a slightly
cleaner implementation of mod_strcmp()
 -Erik
This commit is contained in:
Eric Andersen 2004-06-22 10:43:09 +00:00
parent 4872ed9737
commit d943837dab
2 changed files with 30 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
modutils/Config.in
View File

@ -21,16 +21,16 @@ config CONFIG_FEATURE_2_2_MODULES
config CONFIG_FEATURE_2_4_MODULES config CONFIG_FEATURE_2_4_MODULES
bool " Support version 2.1.x to 2.4.x Linux kernels" bool " Support version 2.1.x to 2.4.x Linux kernels"
default y default y
depends on CONFIG_INSMOD depends on CONFIG_INSMOD && !CONFIG_FEATURE_2_6_MODULES
help help
Support module loading for newer (post 2.1) Linux kernels. Support module loading for 2.2.x and 2.4.x Linux kernels.
config CONFIG_FEATURE_2_6_MODULES config CONFIG_FEATURE_2_6_MODULES
bool " Support version 2.6.x Linux kernels" bool " Support version 2.6.x Linux kernels"
default n default n
depends on CONFIG_INSMOD depends on CONFIG_INSMOD && !CONFIG_FEATURE_2_4_MODULES
help help
Support module loading for newer (post 2.1) Linux kernels. Support module loading for 2.6.x Linux kernels.
config CONFIG_FEATURE_INSMOD_VERSION_CHECKING config CONFIG_FEATURE_INSMOD_VERSION_CHECKING
bool " Module version checking" bool " Module version checking"

29
modutils/modprobe.c
View File

@ -182,7 +182,7 @@ static struct dep_t *build_dep ( void )
if (( *(col-2) == '.' ) && ( *(col-1) == 'o' )) if (( *(col-2) == '.' ) && ( *(col-1) == 'o' ))
ext = 2; ext = 2;
mod = bb_xstrndup ( mods, col - mods - ext ); mod = bb_xstrndup ( buffer, col - buffer );
if ( !current ) { if ( !current ) {
first = current = (struct dep_t *) xmalloc ( sizeof ( struct dep_t )); first = current = (struct dep_t *) xmalloc ( sizeof ( struct dep_t ));
@ -354,6 +354,28 @@ static struct dep_t *build_dep ( void )
return first; return first;
} }
/* check if /lib/modules/bar/foo.ko belongs to module foo */
/* return 1 = found, 0 = not found */
static int mod_strcmp ( const char *mod_path, const char *mod_name )
{
#if defined(CONFIG_FEATURE_2_6_MODULES)
#define MODULE_EXTENSION ".ko"
#define MOD_EXTENSION_LEN 3
#else
#define MODULE_EXTENSION ".o"
#define MOD_EXTENSION_LEN 2
#endif
if ((strstr (mod_path, mod_name) ==
(mod_path + strlen(mod_path) -
strlen(mod_name) - MOD_EXTENSION_LEN))
&& (!strcmp(mod_path + strlen(mod_path) -
MOD_EXTENSION_LEN, MODULE_EXTENSION)))
{
return 1;
}
return 0;
}
/* return 1 = loaded, 0 = not loaded, -1 = can't tell */ /* return 1 = loaded, 0 = not loaded, -1 = can't tell */
static int already_loaded (const char *name) static int already_loaded (const char *name)
{ {
@ -370,7 +392,7 @@ static int already_loaded (const char *name)
p = strchr (buffer, ' '); p = strchr (buffer, ' ');
if (p) { if (p) {
*p = 0; *p = 0;
if (strcmp (name, buffer) == 0) { if (mod_strcmp (name, buffer)) {
close (fd); close (fd);
return 1; return 1;
} }
@ -434,7 +456,8 @@ static void check_dep ( char *mod, struct mod_list_t **head, struct mod_list_t *
// check dependencies // check dependencies
for ( dt = depend; dt; dt = dt-> m_next ) { for ( dt = depend; dt; dt = dt-> m_next ) {
if ( strcmp ( dt-> m_module, mod ) == 0 ) { if ( mod_strcmp ( dt-> m_module, mod )) {
mod = dt-> m_module;
opt = dt-> m_options; opt = dt-> m_options;
break; break;
} }