The patch titled
Subject: net/9p: fix error path of p9_virtio_probe
has been added to the -mm tree. Its filename is
net-9p-fix-error-path-of-p9_virtio_probe.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/net-9p-fix-error-path-of-p9_virtio_probe.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/net-9p-fix-error-path-of-p9_virtio_probe.patch
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------------------------------------------------------
From: Jean-Philippe Brucker <jean-philippe.brucker@xxxxxxx>
Subject: net/9p: fix error path of p9_virtio_probe
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@xxxxxxx
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@xxxxxxx>
Reviewed-by: Greg Kurz <groug@xxxxxxxx>
Cc: Eric Van Hensbergen <ericvh@xxxxxxxxx>
Cc: Ron Minnich <rminnich@xxxxxxxxxx>
Cc: Latchesar Ionkov <lucho@xxxxxxxxxx>
Cc: Dominique Martinet <asmadeus@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
net/9p/trans_virtio.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN net/9p/trans_virtio.c~net-9p-fix-error-path-of-p9_virtio_probe net/9p/trans_virtio.c
--- a/net/9p/trans_virtio.c~net-9p-fix-error-path-of-p9_virtio_probe
+++ a/net/9p/trans_virtio.c
@@ -563,7 +563,7 @@ static int p9_virtio_probe(struct virtio
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);
@@ -616,6 +616,7 @@ out_free_tag:
kfree(tag);
out_free_vq:
vdev->config->del_vqs(vdev);
+out_free_chan:
kfree(chan);
fail:
return err;
_
Patches currently in -mm which might be from jean-philippe.brucker@xxxxxxx are
net-9p-fix-error-path-of-p9_virtio_probe.patch
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