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authorJean-Philippe Brucker <jean-philippe.brucker@arm.com>2018-07-17 19:14:45 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-15 09:40:39 +0200
commit75c55cbd46b15113f74a31ddfc8fa0930826e371 (patch)
treeb1bf42323468ef8578ad0cc3b2722835b771217e /net
parent3537179891cae88b1f115af01b10c57594a31d71 (diff)
net/9p: fix error path of p9_virtio_probe
[ Upstream commit 92aef4675d5b1b55404e1532379e343bed0e5cf2 ] Currently when virtio_find_single_vq fails, we go through del_vqs which throws a warning (Trying to free already-free IRQ). Skip del_vqs if vq allocation failed. Link: http://lkml.kernel.org/r/20180524101021.49880-1-jean-philippe.brucker@arm.com Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com> Reviewed-by: Greg Kurz <groug@kaod.org> Cc: Eric Van Hensbergen <ericvh@gmail.com> Cc: Ron Minnich <rminnich@sandia.gov> Cc: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/9p/trans_virtio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 6018a1c0dc28..2a15b6aa9cdd 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -574,7 +574,7 @@ static int p9_virtio_probe(struct virtio_device *vdev)
chan->vq = virtio_find_single_vq(vdev, req_done, "requests");
if (IS_ERR(chan->vq)) {
err = PTR_ERR(chan->vq);
- goto out_free_vq;
+ goto out_free_chan;
}
chan->vq->vdev->priv = chan;
spin_lock_init(&chan->lock);
@@ -627,6 +627,7 @@ out_free_tag:
kfree(tag);
out_free_vq:
vdev->config->del_vqs(vdev);
+out_free_chan:
kfree(chan);
fail:
return err;