[PATCH] kernel/params.c: fix sysfs access with CONFIG_MODULES=n

[sfrench/cifs-2.6.git] / kernel / params.c

diff --git a/kernel/params.c b/kernel/params.c
index d586c35ef8fca8f4540031c5ad071b90c1071df4..c76ad25e6a214df9d534f5142da9f2a1a1729b52 100644 (file)
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -23,6 +23,7 @@
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/err.h>
+#include <linux/slab.h>
 
 #if 0
 #define DEBUGP printk
@@ -80,8 +81,6 @@ static char *next_arg(char *args, char **param, char **val)
        int in_quote = 0, quoted = 0;
        char *next;
 
-       /* Chew any extra spaces */
-       while (*args == ' ') args++;
        if (*args == '"') {
                args++;
                in_quote = 1;
@@ -121,6 +120,10 @@ static char *next_arg(char *args, char **param, char **val)
                next = args + i + 1;
        } else
                next = args + i;
+
+       /* Chew up trailing spaces. */
+       while (*next == ' ')
+               next++;
        return next;
 }
 
@@ -135,6 +138,10 @@ int parse_args(const char *name,
 
        DEBUGP("Parsing ARGS: %s\n", args);
 
+       /* Chew leading spaces */
+       while (*args == ' ')
+               args++;
+
        while (*args) {
                int ret;
 
@@ -542,8 +549,8 @@ static void __init kernel_param_sysfs_setup(const char *name,
 {
        struct module_kobject *mk;
 
-       mk = kmalloc(sizeof(struct module_kobject), GFP_KERNEL);
-       memset(mk, 0, sizeof(struct module_kobject));
+       mk = kzalloc(sizeof(struct module_kobject), GFP_KERNEL);
+       BUG_ON(!mk);
 
        mk->mod = THIS_MODULE;
        kobj_set_kset_s(mk, module_subsys);
@@ -612,7 +619,7 @@ static void __init param_sysfs_builtin(void)
 
 
 /* module-related sysfs stuff */
-#ifdef CONFIG_MODULES
+#ifdef CONFIG_SYSFS
 
 #define to_module_attr(n) container_of(n, struct module_attribute, attr);
 #define to_module_kobject(n) container_of(n, struct module_kobject, kobj);