Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Chris Lew <clew@codeaurora.org>,
        Arun Kumar Neelakantam <aneela@codeaurora.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Lee Jones <lee.jones@linaro.org>
Subject: [PATCH 4.14 36/38] rpmsg: glink: Remove chunk size word align warning
Date:   Sat, 11 Apr 2020 14:09:20 +0200
Message-Id: <20200411115441.303886448@linuxfoundation.org>
In-Reply-To: <20200411115437.795556138@linuxfoundation.org>
References: <20200411115437.795556138@linuxfoundation.org>
User-Agent: quilt/0.66
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

From: Chris Lew <clew@codeaurora.org>

commit f0beb4ba9b185d497c8efe7b349363700092aee0 upstream.

It is possible for the chunk sizes coming from the non RPM remote procs
to not be word aligned. Remove the alignment warning and continue to
read from the FIFO so execution is not stalled.

Signed-off-by: Chris Lew <clew@codeaurora.org>
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/rpmsg/qcom_glink_native.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/drivers/rpmsg/qcom_glink_native.c
+++ b/drivers/rpmsg/qcom_glink_native.c
@@ -811,9 +811,6 @@ static int qcom_glink_rx_data(struct qco
 		return -EAGAIN;
 	}
 
-	if (WARN(chunk_size % 4, "Incoming data must be word aligned\n"))
-		return -EINVAL;
-
 	rcid = le16_to_cpu(hdr.msg.param1);
 	spin_lock_irqsave(&glink->idr_lock, flags);
 	channel = idr_find(&glink->rcids, rcid);