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Patch from Yann Morin to fix bug 941, underscores in module aliases.

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This commit is contained in:
Rob Landley 2006-07-20 17:36:18 +00:00
parent f86a5ba510
commit bf30c69a38
2 changed files with 45 additions and 3 deletions
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13
modutils/Config.in
View File

@ -91,7 +91,8 @@ config CONFIG_MODPROBE
module options from the configuration file. See option below.
config CONFIG_FEATURE_MODPROBE_MULTIPLE_OPTIONS
bool "Multiple options parsing"
bool
prompt "Multiple options parsing" if CONFIG_NITPICK
default y
depends on CONFIG_MODPROBE
help
@ -106,6 +107,16 @@ config CONFIG_FEATURE_MODPROBE_MULTIPLE_OPTIONS
Saying Y here is not a bad idea if you're not that short
on storage capacity.
config CONFIG_FEATURE_MODPROBE_FANCY_ALIAS
bool
prompt "Fancy alias parsing" if CONFIG_NITPICK
default y
depends on CONFIG_MODPROBE && CONFIG_FEATURE_2_6_MODULES
help
Say 'y' here to enable parsing of aliases with underscore/dash
mismatch between module name and file name, along with bus-specific
aliases (such as pci:... or usb:... aliases).
comment "Options common to multiple modutils"
depends on CONFIG_INSMOD || CONFIG_RMMOD || CONFIG_MODPROBE || CONFIG_LSMOD

35
modutils/modprobe.c
View File

@ -712,6 +712,37 @@ static int mod_process ( struct mod_list_t *list, int do_insert )
return (show_only) ? 0 : rc;
}
/*
* Check the matching between a pattern and a module name.
* We need this as *_* is equivalent to *-*, even in pattern matching.
*/
static int check_pattern( const char* pat_src, const char* mod_src ) {
int ret;
if (ENABLE_FEATURE_MODPROBE_FANCY_ALIAS) {
char* pat;
char* mod;
char* p;
pat = bb_xstrdup (pat_src);
mod = bb_xstrdup (mod_src);
for (p = pat; (p = strchr(p, '-')); *p++ = '_' );
for (p = mod; (p = strchr(p, '-')); *p++ = '_' );
ret = fnmatch ( pat, mod, 0 );
if (ENABLE_FEATURE_CLEAN_UP) {
free (pat);
free (mod);
}
return ret;
} else {
return fnmatch ( pat_src, mod_src, 0 );
}
}
/*
* Builds the dependency list (aka stack) of a module.
* head: the highest module in the stack (last to insmod, first to rmmod)
@ -730,7 +761,7 @@ static void check_dep ( char *mod, struct mod_list_t **head, struct mod_list_t *
* Of course if the name in the dependency rule is a plain string,
* then we consider it a pattern, and matching will still work. */
for ( dt = depend; dt; dt = dt-> m_next ) {
if ( fnmatch ( dt-> m_name, mod, 0 ) == 0) {
if ( check_pattern ( dt-> m_name, mod ) == 0) {
break;
}
}
@ -746,7 +777,7 @@ static void check_dep ( char *mod, struct mod_list_t **head, struct mod_list_t *
struct dep_t *adt;
for ( adt = depend; adt; adt = adt-> m_next ) {
if ( strcmp ( adt-> m_name, dt-> m_deparr [0] ) == 0 )
if ( check_pattern ( adt-> m_name, dt-> m_deparr [0] ) == 0 )
break;
}
if ( adt ) {