1 files changed, 7 insertions, 1 deletions

diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 5a44811b5027..05baf7721e8c 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -571,11 +571,15 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
         int table, error = -EINVAL;
         unsigned int vol_desc_start;
 
+        lock_kernel();
+
         save_mount_options(s, data);
 
         sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
-        if (!sbi)
+        if (!sbi) {
+                unlock_kernel();
                 return -ENOMEM;
+        }
         s->s_fs_info = sbi;
 
         if (!parse_options((char *)data, &opt))
@@ -900,6 +904,7 @@ root_found:
 
         kfree(opt.iocharset);
 
+        unlock_kernel();
         return 0;
 
         /*
@@ -939,6 +944,7 @@ out_freesbi:
         kfree(opt.iocharset);
         kfree(sbi);
         s->s_fs_info = NULL;
+        unlock_kernel();
         return error;
 }