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From: Loic Pallardy <loic.pallardy@st.com>
To: <bjorn.andersson@linaro.org>, <ohad@wizery.com>
Cc: <linux-remoteproc@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <arnaud.pouliquen@st.com>,
	<benjamin.gaignard@linaro.org>,
	Loic Pallardy <loic.pallardy@st.com>
Subject: [PATCH 1/1] rpmsg: virtio_rpmsg_bus: Fix rpmsg_create_channel memory leak
Date: Wed, 25 Jul 2018 23:08:36 +0200	[thread overview]
Message-ID: <1532552916-30111-1-git-send-email-loic.pallardy@st.com> (raw)

In case of rpmsg_register_device() failure, vch previously
allocated must be free.

fixes: 6eed598a0491 ("rpmsg: Split off generic tail of create_channel()")

Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
---
 drivers/rpmsg/virtio_rpmsg_bus.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index 664f957..10f927e 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -431,8 +431,10 @@ static struct rpmsg_device *rpmsg_create_channel(struct virtproc_info *vrp,
 	rpdev->dev.parent = &vrp->vdev->dev;
 	rpdev->dev.release = virtio_rpmsg_release_device;
 	ret = rpmsg_register_device(rpdev);
-	if (ret)
+	if (ret) {
+		kfree(vch);
 		return NULL;
+	}
 
 	return rpdev;
 }
-- 
1.9.1


             reply	other threads:[~2018-07-25 21:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-25 21:08 Loic Pallardy [this message]
2018-07-25 22:36 ` Suman Anna
2018-07-26  7:04   ` Loic PALLARDY

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