From patchwork Thu Dec 19 19:27:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 13915579 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 55E661AE875 for ; Thu, 19 Dec 2024 19:27:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734636461; cv=none; b=cUa4zdx8nbTTNt3dn1Lnwf/umJ3vFnzSfjAVarHH0d00jVWOMwX4DTt/RNUY3J4WYcTevIbMMb8sEKfQvWLuHweJYmt85C40VgQXX1U6thhLD/eZewmShOq/sRvRflv1r5odRPlCPotared+HpOCffZGX3OHU7qj9oi82KtzzRU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734636461; c=relaxed/simple; bh=Efeih0sE+iZmXFH+maxzPA8OiWpE3105c8vH2/eXKtc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=RtMafUIjXibPKz9gPoEilbS3ACEb9nhubVxNB87AvO2N95ot/4WTLvE6/v70cUGsV7OfdCc4RsUPIASoO8MnNtAUgq7YhGGOFdO3134G35MGBfQefQTKJ+5n1NML0DAz/pGA1AskcO49D8zWqmA+g0vrIIYdnDXslA4wXBELn8w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=Mfc7g5XU; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Mfc7g5XU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1734636458; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=QSpGyY51F9Z3FnymB5FSOHcZmc33S1pPzw4xTvYvSPg=; b=Mfc7g5XUBTpqLyKdJZFxMseh3KjvdUqdjd/IP38BRBoOBqLktfmdHXvT/M4BCB6v0iPR8H YMaSXP1hHFTu3ZCIXbV0iz2wHZ0OuiYyPivWcpEtkOFRYbIn5F3lyzqLRN/QuLCM8k3qO4 hFdqYI8d3RdNrcPuGDo40BX9tbpuESI= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-500-MbSwbpvHNeCU6Vugb9uTFg-1; Thu, 19 Dec 2024 14:27:37 -0500 X-MC-Unique: MbSwbpvHNeCU6Vugb9uTFg-1 X-Mimecast-MFC-AGG-ID: MbSwbpvHNeCU6Vugb9uTFg Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id EA5E11956048; Thu, 19 Dec 2024 19:27:35 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.194.60]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 7EFB81956096; Thu, 19 Dec 2024 19:27:34 +0000 (UTC) From: Hans de Goede To: Sakari Ailus Cc: Hans de Goede , Mauro Carvalho Chehab , linux-media@vger.kernel.org Subject: [PATCH 1/4] media: hi556: Fix memory leak (on error) in hi556_check_hwcfg() Date: Thu, 19 Dec 2024 20:27:30 +0100 Message-ID: <20241219192733.45659-1-hdegoede@redhat.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Commit 7d968b5badfc ("media: hi556: Return -EPROBE_DEFER if no endpoint is found") moved the v4l2_fwnode_endpoint_alloc_parse() call in hi556_check_hwcfg() up, but it did not make the error-exit paths between the old and new call-site use "goto check_hwcfg_error;" to free the bus_cfg on errors. Add the missing "goto check_hwcfg_error;" statements to fix a memleak on early error-exits from hi556_check_hwcfg(). Fixes: 7d968b5badfc ("media: hi556: Return -EPROBE_DEFER if no endpoint is found") Signed-off-by: Hans de Goede --- drivers/media/i2c/hi556.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/hi556.c b/drivers/media/i2c/hi556.c index 3ac42d1ab8b4..c28eca2f86f6 100644 --- a/drivers/media/i2c/hi556.c +++ b/drivers/media/i2c/hi556.c @@ -1230,12 +1230,13 @@ static int hi556_check_hwcfg(struct device *dev) ret = fwnode_property_read_u32(fwnode, "clock-frequency", &mclk); if (ret) { dev_err(dev, "can't get clock frequency"); - return ret; + goto check_hwcfg_error; } if (mclk != HI556_MCLK) { dev_err(dev, "external clock %d is not supported", mclk); - return -EINVAL; + ret = -EINVAL; + goto check_hwcfg_error; } if (bus_cfg.bus.mipi_csi2.num_data_lanes != 2) {