mmc: s3c6410: enable ADMA feature in 6410 sdhci controller

[safe/jmp/linux-2.6] / kernel / kmod.c

diff --git a/kernel/kmod.c b/kernel/kmod.c
index a922808..bf0e231 100644 (file)
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -86,6 +86,10 @@ int __request_module(bool wait, const char *fmt, ...)
        if (ret >= MODULE_NAME_LEN)
                return -ENAMETOOLONG;
 
+       ret = security_kernel_module_request(module_name);
+       if (ret)
+               return ret;
+
        /* If modprobe needs a service that is in a module, we get a recursive
         * loop.  Limit the number of running kmod threads to max_threads/2 or
         * MAX_KMOD_CONCURRENT, whichever is the smaller.  A cleaner method
@@ -466,6 +470,7 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info,
        int retval = 0;
 
        BUG_ON(atomic_read(&sub_info->cred->usage) != 1);
+       validate_creds(sub_info->cred);
 
        helper_lock();
        if (sub_info->path[0] == '\0')
@@ -515,13 +520,15 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp,
                return -ENOMEM;
 
        ret = call_usermodehelper_stdinpipe(sub_info, filp);
-       if (ret < 0)
-               goto out;
+       if (ret < 0) {
+               call_usermodehelper_freeinfo(sub_info);
+               return ret;
+       }
 
-       return call_usermodehelper_exec(sub_info, UMH_WAIT_EXEC);
+       ret = call_usermodehelper_exec(sub_info, UMH_WAIT_EXEC);
+       if (ret < 0)    /* Failed to execute helper, close pipe */
+               filp_close(*filp, NULL);
 
-  out:
-       call_usermodehelper_freeinfo(sub_info);
        return ret;
 }
 EXPORT_SYMBOL(call_usermodehelper_pipe);