ide: add ide_read_error() inline helper

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 3ac79ed..faf22d7 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -465,7 +465,7 @@
 	idefloppy_pc_t *pc;
 	struct request *rq;
 
-	(void)drive->hwif->INB(IDE_ERROR_REG);
+	(void)ide_read_error(drive);
 	pc = idefloppy_next_pc_storage(drive);
 	rq = idefloppy_next_rq_storage(drive);
 	idefloppy_create_request_sense_cmd(pc);