ext4: add trace exit in exception path.

Missing trace exit in exception path of ext4_sync_file and
ext4_ind_map_blocks.

Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20200921124738.23352-1-zhangqilong3@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 1d668c8..6476994 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -150,7 +150,7 @@ int ext4_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 
 	ret = file_write_and_wait_range(file, start, end);
 	if (ret)
-		return ret;
+		goto out;
 
 	/*
 	 * data=writeback,ordered: