ALSA: xen: Remove superfluous fall through comments

The "fall through" comments found in switch-cases in ALSA xen driver
are all superfluous.  The kernel coding style allows the multiple
cases in a row.  Let's remove them.

Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20200709111750.8337-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/xen/xen_snd_front.c b/sound/xen/xen_snd_front.c
index e21d0bf..228d820 100644 (file)
--- a/sound/xen/xen_snd_front.c
+++ b/sound/xen/xen_snd_front.c
@@ -246,11 +246,8 @@ static void sndback_changed(struct xenbus_device *xb_dev,
 
        switch (backend_state) {
        case XenbusStateReconfiguring:
-               /* fall through */
        case XenbusStateReconfigured:
-               /* fall through */
        case XenbusStateInitialised:
-               /* fall through */
                break;
 
        case XenbusStateInitialising:
@@ -289,7 +286,6 @@ static void sndback_changed(struct xenbus_device *xb_dev,
                break;
 
        case XenbusStateUnknown:
-               /* fall through */
        case XenbusStateClosed:
                if (xb_dev->state == XenbusStateClosed)
                        break;

diff --git a/sound/xen/xen_snd_front_evtchnl.c b/sound/xen/xen_snd_front_evtchnl.c
index 102d6e0..29e0f0e 100644 (file)
--- a/sound/xen/xen_snd_front_evtchnl.c
+++ b/sound/xen/xen_snd_front_evtchnl.c
@@ -46,13 +46,9 @@ again:
                        continue;
                switch (resp->operation) {
                case XENSND_OP_OPEN:
-                       /* fall through */
                case XENSND_OP_CLOSE:
-                       /* fall through */
                case XENSND_OP_READ:
-                       /* fall through */
                case XENSND_OP_WRITE:
-                       /* fall through */
                case XENSND_OP_TRIGGER:
                        channel->u.req.resp_status = resp->status;
                        complete(&channel->u.req.completion);