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Subject: Re: [PATCH] wireless: remove unneeded break
To:     Joe Perches <joe@perches.com>,
        Christian Lamparter <chunkeey@gmail.com>, trix@redhat.com,
        kvalo@codeaurora.org, davem@davemloft.net, kuba@kernel.org,
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        emmanuel.grumbach@intel.com, luciano.coelho@intel.com,
        linuxwifi@intel.com, chunkeey@googlemail.com, pkshih@realtek.com,
        sara.sharon@intel.com, tova.mussai@intel.com,
        nathan.errera@intel.com, lior2.cohen@intel.com, john@phrozen.org,
        shaul.triebitz@intel.com, shahar.s.matityahu@intel.com,
        Larry.Finger@lwfinger.net, zhengbin13@huawei.com,
        christophe.jaillet@wanadoo.fr, yanaijie@huawei.com,
        saurav.girepunje@gmail.com
Cc:     ath10k@lists.infradead.org, linux-wireless@vger.kernel.org,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
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From:   "Gustavo A. R. Silva" <gustavo@embeddedor.com>
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Message-ID: <715ddf72-978c-a525-0625-ea740a104f2a@embeddedor.com>
Date:   Mon, 19 Oct 2020 11:38:25 -0500
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On 10/19/20 11:20, Joe Perches wrote:
> On Mon, 2020-10-19 at 10:54 -0500, Gustavo A. R. Silva wrote:
>> On 10/19/20 10:21, Joe Perches wrote:
>>> On Mon, 2020-10-19 at 17:14 +0200, Christian Lamparter wrote:
>>>> On 19/10/2020 17:05, trix@redhat.com wrote:
>>>>> From: Tom Rix <trix@redhat.com>
>>>>>
>>>>> A break is not needed if it is preceded by a return or goto
>>>>>
>>>>> Signed-off-by: Tom Rix <trix@redhat.com>
>>>>> diff --git a/drivers/net/wireless/intersil/p54/eeprom.c b/drivers/net/wireless/intersil/p54/eeprom.c
> []
>>>>> @@ -870,7 +870,6 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
>>>>>   			} else {
>>>>>   				goto good_eeprom;
>>>>>   			}
>>>>> -			break;
>>>> Won't the compiler (gcc) now complain about a missing fallthrough annotation?
>>
>> Clang would definitely complain about this.
> 
> As far as I can tell, clang 10.0.0 doesn't complain.

Oh, yeah. I didn't see the other "goto err;" in the if clause above. Clang doesn't
complain because there is actually no chance of any implicit fall-through.

--
Gustavo