This Linux kernel change "mac80211_hwsim: mark expected switch fall-through" is included in the Linux 5.2 release. This change is authored by Gustavo A. R. Silva <gustavo [at] embeddedor.com> on Mon Apr 29 13:19:50 2019 -0500. The commit for this change in Linux stable tree is 85a55ff (patch).
mac80211_hwsim: 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/net/wireless/mac80211_hwsim.c: In function ‘init_mac80211_hwsim’: drivers/net/wireless/mac80211_hwsim.c:3853:21: warning: this statement may fall through [-Wimplicit-fallthrough=] param.reg_strict = true; ~~~~~~~~~~~~~~~~~^~~~~~ drivers/net/wireless/mac80211_hwsim.c:3854:3: note: here case HWSIM_REGTEST_DRIVER_REG_ALL: ^~~~ 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 <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
There is one line of Linux source code added/deleted in this change. Code changes to Linux kernel are as follows.
drivers/net/wireless/mac80211_hwsim.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 60ca13e..b5274d1 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -3851,6 +3851,7 @@ static int __init init_mac80211_hwsim(void) break; case HWSIM_REGTEST_STRICT_ALL: param.reg_strict = true; + /* fall through */ case HWSIM_REGTEST_DRIVER_REG_ALL: param.reg_alpha2 = hwsim_alpha2s; break;