kmodloader: don't store aliases info in struct module

This also fixes FS#544 as the possible address alignment issue should
now disappear

function                                             old     new   delta
alloc_module                                         398     245    -153
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-153)           Total: -153 bytes

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

diff --git a/kmodloader.c b/kmodloader.c
index ac14bacaa0916fffcbee415d5ef8743cda6d772c..892ddd8f8d1d49624f41060384ca6abb0093d25a 100644 (file)
--- a/kmodloader.c
+++ b/kmodloader.c
@@ -48,8 +48,6 @@ struct module {
        char *name;
        char *depends;
        char *opts;
-       char **aliases;
-       int naliases;
 
        int size;
        int usage;
@@ -250,16 +248,11 @@ alloc_module(const char *name, const char * const *aliases, int naliases, const
 {
        struct module *m;
        char *_name, *_dep;
-       char **_aliases;
-       int i, len_aliases;
+       int i;
 
-       len_aliases = naliases * sizeof(aliases[0]);
-       for (i = 0; i < naliases; i++)
-               len_aliases += strlen(aliases[i]) + 1;
        m = calloc_a(sizeof(*m),
                &_name, strlen(name) + 1,
-               &_dep, depends ? strlen(depends) + 2 : 0,
-               &_aliases, len_aliases);
+               &_dep, depends ? strlen(depends) + 2 : 0);
        if (!m)
                return NULL;
 
@@ -275,28 +268,11 @@ alloc_module(const char *name, const char * const *aliases, int naliases, const
                }
        }
        m->size = size;
-       m->naliases = naliases;
-       if (naliases == 0)
-               m->aliases = NULL;
-       else {
-               char *ptr = (char *)_aliases + naliases * sizeof(_aliases[0]);
-               int len;
-
-               i = 0;
-               do {
-                       len = strlen(aliases[i]) + 1;
-                       memcpy(ptr, aliases[i], len);
-                       _aliases[i] = ptr;
-                       ptr += len;
-                       i++;
-               } while (i < naliases);
-               m->aliases = _aliases;
-       }
 
        m->refcnt = 0;
        alloc_module_node(m->name, m, false);
-       for (i = 0; i < m->naliases; i++)
-               alloc_module_node(m->aliases[i], m, true);
+       for (i = 0; i < naliases; i++)
+               alloc_module_node(aliases[i], m, true);
 
        return m;
 }