mtd: maps: pcmciamtd: fix potential memory leak in pcmciamtd_detach()

The memory allocated for struct pcmciamtd_dev in pcmciamtd_probe() is
not freed in the corresponding remove function pcmciamtd_detach().
Fix that by freeing it in the remove function.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Abdun Nihaal <nihaal@cse.iitm.ac.in>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

drivers/mtd/maps/pcmciamtd.c

@@ -665,6 +665,7 @@ static void pcmciamtd_detach(struct pcmcia_device *link)
 	}
 
 	pcmciamtd_release(link);
+	kfree(dev);
 }