Unionfs: properly check for error in ->mount

Record dev_name correctly for branch-management.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>

diff --git a/fs/unionfs/main.c b/fs/unionfs/main.c
index 87cd1fcdfe1193da0235b770bdc948f25d468df5..ee78f1d90c9601996b56735aeb3242d7c9940e34 100644 (file)
--- a/fs/unionfs/main.c
+++ b/fs/unionfs/main.c
@@ -689,7 +689,7 @@ static struct dentry *unionfs_mount(struct file_system_type *fs_type,
        struct dentry *dentry;
 
        dentry = mount_nodev(fs_type, flags, raw_data, unionfs_read_super);
-       if (!PTR_ERR(dentry))
+       if (!IS_ERR(dentry))
                UNIONFS_SB(dentry->d_sb)->dev_name =
                        kstrdup(dev_name, GFP_KERNEL);
        return dentry;