kgdb: Fix fall-through warning for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a
fall-through warning by explicitly adding a goto statement instead
of letting the code fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20210528200222.GA39201@embeddedor
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>

diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index a1f2676..b4aa6bb 100644 (file)
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -1038,6 +1038,7 @@ dbg_notify_reboot(struct notifier_block *this, unsigned long code, void *x)
        switch (kgdbreboot) {
        case 1:
                kgdb_breakpoint();
+               goto done;
        case -1:
                goto done;
        }