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[24.205.208.113]) by smtp.gmail.com with ESMTPSA id y21-20020a05622a005500b003b9bb59543fsm4590130qtw.61.2023.02.04.18.13.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 Feb 2023 18:13:18 -0800 (PST) From: Tom Rix To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, liweilei@awinic.com, colin.i.king@gmail.com, wangweidong.a@awinic.com, zhaolei@awinic.com Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Tom Rix Subject: [PATCH] ASoC: codecs: aw88395: initialize cur_scene_id to 0 Date: Sat, 4 Feb 2023 17:57:33 -0800 Message-Id: <20230205015733.1721009-1-trix@redhat.com> X-Mailer: git-send-email 2.26.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" cppcheck reports sound/soc/codecs/aw88395/aw88395_lib.c:789:6: error: Uninitialized variable= : cur_scene_id [uninitvar] if (cur_scene_id =3D=3D 0) { ^ Passing a garbage value to aw_dev_parse_data_by_sec_type_v1() will cause a = crash when the value is used as an array index. This check assumes cur_scene_id = is initialized to 0, so initialize it to 0. Fixes: 4345865b003b ("ASoC: codecs: ACF bin parsing and check library file = for aw88395") Signed-off-by: Tom Rix --- sound/soc/codecs/aw88395/aw88395_lib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/aw88395/aw88395_lib.c b/sound/soc/codecs/aw88= 395/aw88395_lib.c index 64dde972f3f0..d7c31a202adc 100644 --- a/sound/soc/codecs/aw88395/aw88395_lib.c +++ b/sound/soc/codecs/aw88395/aw88395_lib.c @@ -769,7 +769,7 @@ static int aw_dev_parse_dev_type_v1(struct aw_device *a= w_dev, { struct aw_cfg_dde_v1 *cfg_dde =3D (struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset); - int cur_scene_id; + int cur_scene_id =3D 0; unsigned int i; int ret; =20 --=20 2.26.3