| Message ID | 20201117160958.GA18807@embeddedor |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [next] mwifiex: Fix fall-through warnings for Clang | expand |
On Tue, 2020-11-17 at 10:09 -0600, Gustavo A. R. Silva wrote: > In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple > warnings by explicitly adding multiple break statements instead of > letting the code fall through to the next case. Thanks Gustavo. I think this is better style than the gcc allowed undescribed fallthrough to break; gcc developers disagree though: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91432
On Tue, Nov 17, 2020 at 08:15:59AM -0800, Joe Perches wrote: > On Tue, 2020-11-17 at 10:09 -0600, Gustavo A. R. Silva wrote: > > In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple > > warnings by explicitly adding multiple break statements instead of > > letting the code fall through to the next case. > > Thanks Gustavo. > > I think this is better style than the gcc allowed > undescribed fallthrough to break; > > gcc developers disagree though: > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91432 Yeah; I mention that in this[1] changelog text, together with the reasons why we think the Clang approach is safer. which is exactly the same information contained in the link[2] included in the changelog text for this commit. -- Gustavo [1] https://git.kernel.org/linus/4169e889e5889405d54cec27d6e9f7f0ce3c7096 [2] https://github.com/KSPP/linux/issues/115
"Gustavo A. R. Silva" <gustavoars@kernel.org> wrote: > In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple > warnings by explicitly adding multiple break statements 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> Patch applied to wireless-drivers-next.git, thanks. 003317581372 mwifiex: Fix fall-through warnings for Clang
On Tue, Nov 24, 2020 at 03:06:14PM +0000, Kalle Valo wrote: > "Gustavo A. R. Silva" <gustavoars@kernel.org> wrote: > > > In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple > > warnings by explicitly adding multiple break statements 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> > > Patch applied to wireless-drivers-next.git, thanks. > > 003317581372 mwifiex: Fix fall-through warnings for Clang Thank you, Kalle. -- Gustavo
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c index 119ccacd1fcc..6b5d35d9e69f 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c @@ -201,6 +201,7 @@ static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv, mwifiex_dbg(priv->adapter, INFO, "info: SNMP_RESP: DTIM period=%u\n", ul_temp); + break; default: break; } @@ -1393,6 +1394,7 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no, break; case HostCmd_CMD_TDLS_OPER: ret = mwifiex_ret_tdls_oper(priv, resp); + break; case HostCmd_CMD_MC_POLICY: break; case HostCmd_CMD_CHAN_REPORT_REQUEST: diff --git a/drivers/net/wireless/marvell/mwifiex/sta_event.c b/drivers/net/wireless/marvell/mwifiex/sta_event.c index bc79ca4cb803..68c63268e2e6 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_event.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_event.c @@ -99,6 +99,7 @@ static int mwifiex_check_ibss_peer_capabilities(struct mwifiex_private *priv, case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895: sta_ptr->max_amsdu = MWIFIEX_TX_DATA_BUF_SIZE_4K; + break; default: break; } diff --git a/drivers/net/wireless/marvell/mwifiex/uap_cmd.c b/drivers/net/wireless/marvell/mwifiex/uap_cmd.c index b48a85d791f6..18e89777b784 100644 --- a/drivers/net/wireless/marvell/mwifiex/uap_cmd.c +++ b/drivers/net/wireless/marvell/mwifiex/uap_cmd.c @@ -108,6 +108,7 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv, if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) bss_config->wpa_cfg.pairwise_cipher_wpa2 |= CIPHER_AES_CCMP; + break; default: break; } diff --git a/drivers/net/wireless/marvell/mwifiex/wmm.c b/drivers/net/wireless/marvell/mwifiex/wmm.c index b8f19ca73414..0b375608df7d 100644 --- a/drivers/net/wireless/marvell/mwifiex/wmm.c +++ b/drivers/net/wireless/marvell/mwifiex/wmm.c @@ -1396,6 +1396,7 @@ mwifiex_send_processed_packet(struct mwifiex_private *priv, break; case 0: mwifiex_write_data_complete(adapter, skb, 0, ret); + break; default: break; }
In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple warnings by explicitly adding multiple break statements 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> --- drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c | 2 ++ drivers/net/wireless/marvell/mwifiex/sta_event.c | 1 + drivers/net/wireless/marvell/mwifiex/uap_cmd.c | 1 + drivers/net/wireless/marvell/mwifiex/wmm.c | 1 + 4 files changed, 5 insertions(+)