nilfs2: fix lock order reversal in nilfs_clean_segments ioctl

[safe/jmp/linux-2.6] / fs / exec.c

diff --git a/fs/exec.c b/fs/exec.c
index a3a8ce8..639177b 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -69,17 +69,18 @@ int suid_dumpable = 0;
 static LIST_HEAD(formats);
 static DEFINE_RWLOCK(binfmt_lock);
 
-int register_binfmt(struct linux_binfmt * fmt)
+int __register_binfmt(struct linux_binfmt * fmt, int insert)
 {
        if (!fmt)
                return -EINVAL;
        write_lock(&binfmt_lock);
-       list_add(&fmt->lh, &formats);
+       insert ? list_add(&fmt->lh, &formats) :
+                list_add_tail(&fmt->lh, &formats);
        write_unlock(&binfmt_lock);
        return 0;       
 }
 
-EXPORT_SYMBOL(register_binfmt);
+EXPORT_SYMBOL(__register_binfmt);
 
 void unregister_binfmt(struct linux_binfmt * fmt)
 {