
Make sure the node is never dirty before being released, flush
the node first using exfat_flush_node() and only then release
the node using exfat_put_node(). This now matches the behavior
of exfat_fs_write() too.
Fixes: b86a651b64
("fs: exfat: Add U-Boot porting layer")
Signed-off-by: Marek Vasut <marex@denx.de>