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xen: xenbus_probe_frontend: mark expected switch fall-throughs 

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 146562
Addresses-Coverity-ID: 146563
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Gustavo A. R. Silva 2017-11-02 13:41:07 -05:00 committed by Boris Ostrovsky
parent 5e25f5db6a
commit 5fa916f7ac
1 changed files with 2 additions and 0 deletions
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2
drivers/xen/xenbus/xenbus_probe_frontend.c
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@ -379,10 +379,12 @@ static void xenbus_reset_frontend(char *fe, char *be, int be_state)
case XenbusStateConnected: case XenbusStateConnected:
xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateClosing); xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateClosing);
xenbus_reset_wait_for_backend(be, XenbusStateClosing); xenbus_reset_wait_for_backend(be, XenbusStateClosing);
/* fall through */
case XenbusStateClosing: case XenbusStateClosing:
xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateClosed); xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateClosed);
xenbus_reset_wait_for_backend(be, XenbusStateClosed); xenbus_reset_wait_for_backend(be, XenbusStateClosed);
/* fall through */
case XenbusStateClosed: case XenbusStateClosed:
xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateInitialising); xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateInitialising);