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rpmsg: virtio_rpmsg_bus: fix announce for devices without endpoint 

A device might not have an endpoint assigned. This patch checks if
rpdev->ept has a value before dereferencing or using it.

Signed-off-by: Henri Roosen <henri.roosen@ginzinger.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
hifive-unleashed-5.1
Henri Roosen 2017-06-02 13:35:51 +02:00 committed by Bjorn Andersson
parent b4f8e52b89
commit b2599ebffb
1 changed files with 2 additions and 2 deletions
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4
drivers/rpmsg/virtio_rpmsg_bus.c
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@ -314,7 +314,7 @@ static int virtio_rpmsg_announce_create(struct rpmsg_device *rpdev)
int err = 0;
/* need to tell remote processor's name service about this channel ? */
if (rpdev->announce &&
if (rpdev->announce && rpdev->ept &&
virtio_has_feature(vrp->vdev, VIRTIO_RPMSG_F_NS)) {
struct rpmsg_ns_msg nsm;
@ -338,7 +338,7 @@ static int virtio_rpmsg_announce_destroy(struct rpmsg_device *rpdev)
int err = 0;
/* tell remote processor's name service we're removing this channel */
if (rpdev->announce &&
if (rpdev->announce && rpdev->ept &&
virtio_has_feature(vrp->vdev, VIRTIO_RPMSG_F_NS)) {
struct rpmsg_ns_msg nsm;