From nobody Wed Nov 27 07:53:11 2024 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 1B6101465B1 for ; Sun, 13 Oct 2024 11:21:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728818509; cv=none; b=r4l51kQHkT3HRrL5wA/o1zD1OV3Usj4KdNoRgStQYl6fYvU8+qL9glDwJnlcY6R/LMQO3HMfbwkl+8LrsDt+CSP3VcJU6Gs4yrzHV4wXvWLYpuv6LgdypokX/7WCVYH9Rkmy2iuWFLlrDdTVSucpfrl2dv+BoVSyvdyu3ent6s8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728818509; c=relaxed/simple; bh=FbImpcHzo+priTO3HSnT8Fme67TzQ8Mly/3CasKnaYM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Z3lNhDS4g0swuVLovYNm1Uf5wco19HNUSANg4tIB3G/g96w5hlwJ6l2RwEORILJkYX8AtqxxJGLa+snn12wR+oDyKeaajYHJjOujaN2fz1DvfnEeuM38jW2IIJYCEH2gJdOu+EEwxdw3DXgUOeFpVgW2NnMJazK4KQ1K60cWGTs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=uOYW48eh; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="uOYW48eh" Received: from umang.jain (unknown [IPv6:2405:201:2015:f873:55d7:c02e:b2eb:ee3f]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id E14F582E; Sun, 13 Oct 2024 13:20:04 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1728818406; bh=FbImpcHzo+priTO3HSnT8Fme67TzQ8Mly/3CasKnaYM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uOYW48ehfzjQ9rtwlDoEj0y1mMwvU5+yLQdrXjtjwFh6RbmXu7WmfOa+TROqMZ5Ga rgnDLR7HwgupW0TwFsoW+XRYc7CaG5JXorV/8UT4EdHfOX4jMCPTcawf+l9u0Ywqy7 6wTBjpTkGQtIDtNr+68HVcfFLB2WFMk1qb4jt7NY= From: Umang Jain To: Greg Kroah-Hartman , Broadcom internal kernel review list Cc: linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Kieran Bingham , Dan Carpenter , Laurent Pinchart , kernel-list@raspberrypi.com, Stefan Wahren , Umang Jain Subject: [PATCH v4 5/6] staging: vchiq_core: Lower indentation in parse_open() Date: Sun, 13 Oct 2024 16:51:27 +0530 Message-ID: <20241013112128.397249-6-umang.jain@ideasonboard.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241013112128.397249-1-umang.jain@ideasonboard.com> References: <20241013112128.397249-1-umang.jain@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" If the service is not in VCHIQ_SRVSTATE_LISTENING state, it is implied that the message is dealt with and parse_open() should return. If this is the case, simply jump the code flow to return site using 'goto done;' statement. This helps to lower the indentation of if (service->srvstate =3D=3D VCHIQ_SRVSTATE_LISTENING) conditional branch. No functional changes intended in this patch. Signed-off-by: Umang Jain Reviewed-by: Stefan Wahren --- .../interface/vchiq_arm/vchiq_core.c | 48 ++++++++++--------- 1 file changed, 26 insertions(+), 22 deletions(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c= b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c index d7ddbc97207a..36f08f078564 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c @@ -1824,8 +1824,10 @@ static int parse_open(struct vchiq_state *state, struct vchiq_header *header) { const struct vchiq_open_payload *payload; + struct vchiq_openack_payload ack_payload; struct vchiq_service *service =3D NULL; int msgid, size; + int openack_id; unsigned int localport, remoteport, fourcc; short version, version_min; =20 @@ -1860,34 +1862,36 @@ parse_open(struct vchiq_state *state, struct vchiq_= header *header) } service->peer_version =3D version; =20 - if (service->srvstate =3D=3D VCHIQ_SRVSTATE_LISTENING) { - struct vchiq_openack_payload ack_payload =3D { - service->version - }; - int openack_id =3D MAKE_OPENACK(service->localport, remoteport); + if (service->srvstate !=3D VCHIQ_SRVSTATE_LISTENING) + goto done; =20 - if (state->version_common < - VCHIQ_VERSION_SYNCHRONOUS_MODE) - service->sync =3D 0; + ack_payload.version =3D service->version; + openack_id =3D MAKE_OPENACK(service->localport, remoteport); =20 - /* Acknowledge the OPEN */ - if (service->sync) { - if (queue_message_sync(state, NULL, openack_id, memcpy_copy_callback, - &ack_payload, sizeof(ack_payload)) =3D=3D -EAGAIN) - goto bail_not_ready; + if (state->version_common < VCHIQ_VERSION_SYNCHRONOUS_MODE) + service->sync =3D 0; =20 - /* The service is now open */ - set_service_state(service, VCHIQ_SRVSTATE_OPENSYNC); - } else { - if (queue_message(state, NULL, openack_id, memcpy_copy_callback, - &ack_payload, sizeof(ack_payload), 0) =3D=3D -EINTR) - goto bail_not_ready; + /* Acknowledge the OPEN */ + if (service->sync) { + if (queue_message_sync(state, NULL, openack_id, + memcpy_copy_callback, + &ack_payload, + sizeof(ack_payload)) =3D=3D -EAGAIN) + goto bail_not_ready; =20 - /* The service is now open */ - set_service_state(service, VCHIQ_SRVSTATE_OPEN); - } + /* The service is now open */ + set_service_state(service, VCHIQ_SRVSTATE_OPENSYNC); + } else { + if (queue_message(state, NULL, openack_id, + memcpy_copy_callback, &ack_payload, + sizeof(ack_payload), 0) =3D=3D -EINTR) + goto bail_not_ready; + + /* The service is now open */ + set_service_state(service, VCHIQ_SRVSTATE_OPEN); } =20 +done: /* Success - the message has been dealt with */ vchiq_service_put(service); return 1; --=20 2.45.2