s390/tape: add fallthrough annotations

Commit a035d552a93b ("Makefile: Globally enable fall-through warning")
enables fall-through warnings globally. Add missing annotations.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index 8d3370d..3e0b2f6 100644 (file)
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -677,6 +677,7 @@ tape_generic_remove(struct ccw_device *cdev)
        switch (device->tape_state) {
                case TS_INIT:
                        tape_state_set(device, TS_NOT_OPER);
+                       /* fallthrough */
                case TS_NOT_OPER:
                        /*
                         * Nothing to do.
@@ -949,6 +950,7 @@ __tape_start_request(struct tape_device *device, struct tape_request *request)
                                break;
                        if (device->tape_state == TS_UNUSED)
                                break;
+                       /* fallthrough */
                default:
                        if (device->tape_state == TS_BLKUSE)
                                break;
@@ -1116,6 +1118,7 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
                        case -ETIMEDOUT:
                                DBF_LH(1, "(%08x): Request timed out\n",
                                       device->cdev_id);
+                               /* fallthrough */
                        case -EIO:
                                __tape_end_request(device, request, -EIO);
                                break;