module: use krealloc

[powerpc.git] / kernel / module.c

diff --git a/kernel/module.c b/kernel/module.c
index dcdb32b..9bdbd12 100644 (file)
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -45,6 +45,8 @@
 #include <asm/cacheflush.h>
 #include <linux/license.h>
 
+extern int module_sysfs_initialized;
+
 #if 0
 #define DEBUGP printk
 #else
@@ -308,14 +310,14 @@ static int split_block(unsigned int i, unsigned short size)
 {
        /* Reallocation required? */
        if (pcpu_num_used + 1 > pcpu_num_allocated) {
-               int *new = kmalloc(sizeof(new[0]) * pcpu_num_allocated*2,
-                                  GFP_KERNEL);
+               int *new;
+
+               new = krealloc(pcpu_size, sizeof(new[0])*pcpu_num_allocated*2,
+                              GFP_KERNEL);
                if (!new)
                        return 0;
 
-               memcpy(new, pcpu_size, sizeof(new[0])*pcpu_num_allocated);
                pcpu_num_allocated *= 2;
-               kfree(pcpu_size);
                pcpu_size = new;
        }
 
@@ -346,10 +348,10 @@ static void *percpu_modalloc(unsigned long size, unsigned long align,
        unsigned int i;
        void *ptr;
 
-       if (align > SMP_CACHE_BYTES) {
-               printk(KERN_WARNING "%s: per-cpu alignment %li > %i\n",
-                      name, align, SMP_CACHE_BYTES);
-               align = SMP_CACHE_BYTES;
+       if (align > PAGE_SIZE) {
+               printk(KERN_WARNING "%s: per-cpu alignment %li > %li\n",
+                      name, align, PAGE_SIZE);
+               align = PAGE_SIZE;
        }
 
        ptr = __per_cpu_start;
@@ -430,7 +432,7 @@ static int percpu_modinit(void)
        pcpu_size = kmalloc(sizeof(pcpu_size[0]) * pcpu_num_allocated,
                            GFP_KERNEL);
        /* Static in-kernel percpu data (used). */
-       pcpu_size[0] = -ALIGN(__per_cpu_end-__per_cpu_start, SMP_CACHE_BYTES);
+       pcpu_size[0] = -(__per_cpu_end-__per_cpu_start);
        /* Free room. */
        pcpu_size[1] = PERCPU_ENOUGH_ROOM + pcpu_size[0];
        if (pcpu_size[1] < 0) {
@@ -1117,8 +1119,8 @@ int mod_sysfs_init(struct module *mod)
 {
        int err;
 
-       if (!module_subsys.kset.subsys) {
-               printk(KERN_ERR "%s: module_subsys not initialized\n",
+       if (!module_sysfs_initialized) {
+               printk(KERN_ERR "%s: module sysfs not initialized\n",
                       mod->name);
                err = -EINVAL;
                goto out;
@@ -1148,8 +1150,10 @@ int mod_sysfs_setup(struct module *mod,
                goto out;
 
        mod->holders_dir = kobject_add_dir(&mod->mkobj.kobj, "holders");
-       if (!mod->holders_dir)
+       if (!mod->holders_dir) {
+               err = -ENOMEM;
                goto out_unreg;
+       }
 
        err = module_param_sysfs_setup(mod, kparam, num_params);
        if (err)
@@ -2383,7 +2387,7 @@ void module_add_driver(struct module *mod, struct device_driver *drv)
                struct kobject *mkobj;
 
                /* Lookup built-in module entry in /sys/modules */
-               mkobj = kset_find_obj(&module_subsys.kset, drv->mod_name);
+               mkobj = kset_find_obj(&module_subsys, drv->mod_name);
                if (mkobj) {
                        mk = container_of(mkobj, struct module_kobject, kobj);
                        /* remember our module structure */