ray_cs: Use fallthrough pseudo-keyword

In order to enable -Wimplicit-fallthrough for Clang[1], replace the
existing /* fall through */ comments with the new pseudo-keyword
macro fallthrough[2].

[1] https://git.kernel.org/linus/e2079e93f562c7f7a030eb7642017ee5eabaaa10
[2] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201008220422.GA6926@embeddedor

diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index bf3fbd14eda3ccd8926f475f7b6f913ae59a124d..590bd974d94f487650634c50cecfd25ea432f33c 100644 (file)
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -877,10 +877,10 @@ static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
        switch (ccsindex = get_free_tx_ccs(local)) {
        case ECCSBUSY:
                pr_debug("ray_hw_xmit tx_ccs table busy\n");
-               /* fall through */
+               fallthrough;
        case ECCSFULL:
                pr_debug("ray_hw_xmit No free tx ccs\n");
-               /* fall through */
+               fallthrough;
        case ECARDGONE:
                netif_stop_queue(dev);
                return XMIT_NO_CCS;
@@ -1272,7 +1272,7 @@ static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
        switch (wrqu->mode) {
        case IW_MODE_ADHOC:
                card_mode = 0;
-               /* Fall through */
+               fallthrough;
        case IW_MODE_INFRA:
                local->sparm.b5.a_network_type = card_mode;
                break;