[PATCH] ide_pio_sector() kmap fix

kunmap_atomic() takes a kernel-virtual address, not a pageframe address.
For the hundredth time.

We really should get typechecking happening there..
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/ide/ide-taskfile.c

@@ -304,7 +304,7 @@ static void ide_pio_sector(ide_drive_t *drive, unsigned int write)
 	else
 		taskfile_input_data(drive, buf, SECTOR_WORDS);
 
-	kunmap_atomic(page, KM_BIO_SRC_IRQ);
+	kunmap_atomic(buf, KM_BIO_SRC_IRQ);
 #ifdef CONFIG_HIGHMEM
 	local_irq_restore(flags);
 #endif