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Mon, 14 Oct 2024 17:55:20 +0800 Received: from RTEXMBS03.realtek.com.tw (172.21.6.96) by RTEXH36506.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 14 Oct 2024 17:55:21 +0800 Received: from RTEXMBS01.realtek.com.tw (172.21.6.94) by RTEXMBS03.realtek.com.tw (172.21.6.96) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Mon, 14 Oct 2024 17:55:20 +0800 Received: from RTEXMBS01.realtek.com.tw ([fe80::147b:e1e8:e867:41c2]) by RTEXMBS01.realtek.com.tw ([fe80::147b:e1e8:e867:41c2%7]) with mapi id 15.01.2507.035; Mon, 14 Oct 2024 17:55:20 +0800 From: Jack Yu To: "broonie@kernel.org" , "lgirdwood@gmail.com" CC: "alsa-devel@alsa-project.org" , "lars@metafoo.de" , "Flove(HsinFu)" , Oder Chiou , =?big5_tw?b?U2h1bWluZyBbrVOu0bvKXQ==?= , =?big5_tw?b?RGVyZWsgW6TovHe4cV0=?= , Jack Yu Subject: [PATCH v2] ASoC: rt-sdw-common: Enhance switch case to prevent uninitialized variable Thread-Topic: [PATCH v2] ASoC: rt-sdw-common: Enhance switch case to prevent uninitialized variable Thread-Index: AdseHy2NODkz69qmQ2aVrL8cSlVHlA== Date: Mon, 14 Oct 2024 09:55:20 +0000 Message-ID: <8631337239d744088d56caab2d8f39cb@realtek.com> Accept-Language: zh-TW, en-US Content-Language: zh-TW X-MS-TNEF-Correlator: <8631337239d744088d56caab2d8f39cb@realtek.com> x-originating-ip: [172.21.6.42] x-kse-serverinfo: RTEXMBS03.realtek.com.tw, 9 x-kse-antispam-interceptor-info: fallback x-kse-antivirus-interceptor-info: fallback MIME-Version: 1.0 X-KSE-AntiSpam-Interceptor-Info: fallback Message-ID-Hash: 6GT3IRIWOSVASPHP3KFQ67GWJI2KSLYB X-Message-ID-Hash: 6GT3IRIWOSVASPHP3KFQ67GWJI2KSLYB X-MailFrom: jack.yu@realtek.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: If det_mode is not 0, 3 or 5 then function will return jack_type with an uninitialzed value. Enhance switch case to prevent uninitialized variable issue. Signed-off-by: Jack Yu --- sound/soc/codecs/rt-sdw-common.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sound/soc/codecs/rt-sdw-common.c b/sound/soc/codecs/rt-sdw-common.c index a422da6cf702..9f51fec383f9 100644 --- a/sound/soc/codecs/rt-sdw-common.c +++ b/sound/soc/codecs/rt-sdw-common.c @@ -150,15 +150,15 @@ int rt_sdca_headset_detect(struct regmap *map, unsigned int entity_id) goto io_error; switch (det_mode) { - case 0x00: - jack_type = 0; - break; case 0x03: jack_type = SND_JACK_HEADPHONE; break; case 0x05: jack_type = SND_JACK_HEADSET; break; + default: + jack_type = 0; + break; } /* write selected_mode */