From: Gustavo A. R. Silva Date: Wed, 20 Mar 2019 16:03:18 +0000 (-0500) Subject: sgi-xpc: mark expected switch fall-through X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d8fb3fafa220035a8fc6af9822ab6f591ca83a57;p=linux.git sgi-xpc: mark expected switch fall-through In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warning: drivers/misc/sgi-xp/xpc_uv.c: In function ‘xpc_handle_activate_mq_msg_uv’: drivers/misc/sgi-xp/xpc_uv.c:573:3: warning: this statement may fall through [-Wimplicit-fallthrough=] xpc_wakeup_channel_mgr(part); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/misc/sgi-xp/xpc_uv.c:575:2: note: here case XPC_ACTIVATE_MQ_MSG_MARK_ENGAGED_UV: ^~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva Acked-by: Robin Holt Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c index 9e443df44b3b4..0c6de97dd347e 100644 --- a/drivers/misc/sgi-xp/xpc_uv.c +++ b/drivers/misc/sgi-xp/xpc_uv.c @@ -572,6 +572,7 @@ xpc_handle_activate_mq_msg_uv(struct xpc_partition *part, xpc_wakeup_channel_mgr(part); } + /* fall through */ case XPC_ACTIVATE_MQ_MSG_MARK_ENGAGED_UV: spin_lock_irqsave(&part_uv->flags_lock, irq_flags); part_uv->flags |= XPC_P_ENGAGED_UV;