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Date: Fri, 8 Feb 2019 13:02:41 -0600 From: "Gustavo A. R. Silva" <gustavo@...eddedor.com> To: Wolfgang Grandegger <wg@...ndegger.com>, Marc Kleine-Budde <mkl@...gutronix.de>, "David S. Miller" <davem@...emloft.net> Cc: linux-can@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, "Gustavo A. R. Silva" <gustavo@...eddedor.com> Subject: [PATCH][next] can: mcp251x: mark expected switch fall-through In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Notice that, in this particular case, the /* fall through */ comment is placed at the bottom of the case statement, which is what GCC is expecting to find. Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enabling -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com> --- drivers/net/can/spi/mcp251x.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index e90817608645..17257c73c302 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -875,7 +875,8 @@ static irqreturn_t mcp251x_can_ist(int irq, void *dev_id) if (new_state >= CAN_STATE_ERROR_WARNING && new_state <= CAN_STATE_BUS_OFF) priv->can.can_stats.error_warning++; - case CAN_STATE_ERROR_WARNING: /* fallthrough */ + /* fall through */ + case CAN_STATE_ERROR_WARNING: if (new_state >= CAN_STATE_ERROR_PASSIVE && new_state <= CAN_STATE_BUS_OFF) priv->can.can_stats.error_passive++; -- 2.20.1
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