From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AF2CD47B43F; Sat, 28 Feb 2026 17:54:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301297; cv=none; b=i8vfuQoRgAlH9nI9iSKLVVvYlWRv1Xo6u3PeaIvLaZf6dZ+7uL9XCFFGXhpXXSFe/uO+btkIR0f26V65QB17OsX9sTCYXWJOMXG5xZmTNZIK2uBvqgRPqVU6+utc4zDaR8xOD56VD78oZChjd9auEHqnTeHL3HPPOUVXIX1kxS4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301297; c=relaxed/simple; bh=VUmlSKdJKQXF3sFNo+mJUSJ27aDu1PAe3j7aYFPOhbA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bJbliNnTv5DqrInXDcvR/NifyMPoyJt18xfWy44vJ9LM2YrX1kZRCYtrv8HLMa0O1elFchIvVB0ZLb+/9T7AjsTIkJDnhW8y27siFzKQDNJhZ6ODItMNF2U1s2p0phqN3rPLBPmUWuwZAcp5yHdgPg8X9FroTCRb90CNTNBF5xQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MjJausvp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MjJausvp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D2F24C19423; Sat, 28 Feb 2026 17:54:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301297; bh=VUmlSKdJKQXF3sFNo+mJUSJ27aDu1PAe3j7aYFPOhbA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MjJausvpycLvQ57Nz/PuwrMg2Aah2jRTMM6Qmkasu/r7ohEQEPzLKKuH2wo38zr+H r/tC7YLLfx2U/jhs981GHYAr8du3IPoqSJ+pH+kmKfEGKw5KxvDpiIOlKsBkCoDB/k LIhlHuRnKKVKX8DccEvDo2u6Ecr0xmGsB208bLQJ1kJIPj6+lf/gI+CtqEd3/M5uUK ugfcaVnqeDkC9EicTWrn/5x+UuiQWh347uKKaHHfUdn2xRU+xDAY/snTZLjz6wwgJJ 1nmcS3To/jUn9KODZgI+mFx5eyEL37y8yCYkqbJhM5vUxd2HjmLY8Ci4mTGWijNGZa /DcbO/EmUNzaA== From: Sasha Levin To: patches@lists.linux.dev Cc: Irui Wang , stable@vger.kernel.org, AngeloGioacchino Del Regno , Nicolas Dufresne , Hans Verkuil , Sasha Levin Subject: [PATCH 6.18 482/752] media: mediatek: encoder: Fix uninitialized scalar variable issue Date: Sat, 28 Feb 2026 12:43:13 -0500 Message-ID: <20260228174750.1542406-482-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Irui Wang [ Upstream commit 88e935de7cf8795d7a6a51385db87ecb361a7050 ] UNINIT checker finds some instances of variables that are used without being initialized, for example using the uninitialized value enc_result.is_key_frm can result in unpredictable behavior, so initialize these variables after declaring. Fixes: 4e855a6efa54 ("[media] vcodec: mediatek: Add Mediatek V4L2 Video Encoder Driver") Cc: stable@vger.kernel.org Signed-off-by: Irui Wang Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Nicolas Dufresne Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- .../media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c index d815e962ab898..0212ff0462fcc 100644 --- a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c +++ b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c @@ -864,7 +864,7 @@ static void vb2ops_venc_buf_queue(struct vb2_buffer *vb) static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count) { struct mtk_vcodec_enc_ctx *ctx = vb2_get_drv_priv(q); - struct venc_enc_param param; + struct venc_enc_param param = { }; int ret; int i; @@ -1018,7 +1018,7 @@ static int mtk_venc_encode_header(void *priv) int ret; struct vb2_v4l2_buffer *src_buf, *dst_buf; struct mtk_vcodec_mem bs_buf; - struct venc_done_result enc_result; + struct venc_done_result enc_result = { }; dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); if (!dst_buf) { @@ -1139,7 +1139,7 @@ static void mtk_venc_worker(struct work_struct *work) struct vb2_v4l2_buffer *src_buf, *dst_buf; struct venc_frm_buf frm_buf; struct mtk_vcodec_mem bs_buf; - struct venc_done_result enc_result; + struct venc_done_result enc_result = { }; int ret, i; /* check dst_buf, dst_buf may be removed in device_run -- 2.51.0