[PATCH 17/72] remoteproc: fix error path of handle_vdev

[Luis Henriques]

3.5.7.11 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: =?UTF-8?q?Sjur=20Br=C3=A6ndeland?= <sjur.brandeland at stericsson.com>

commit cde42e076c1cdd69a1f955d66ff6596bad3d2105 upstream.

Remove the vdev entry from the list before freeing it,
otherwise rproc->vdevs will explode.

Signed-off-by: Sjur Brændeland <sjur.brandeland at stericsson.com>
Acked-by: Ido Yariv <ido at wizery.com>
[edit subject, minor commit log edit, cc stable]
Signed-off-by: Ohad Ben-Cohen <ohad at wizery.com>
[ luis: adjust context ]
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/remoteproc/remoteproc_core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 99b6ee7..82702aa 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -440,10 +440,12 @@ static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc,
 	/* it is now safe to add the virtio device */
 	ret = rproc_add_virtio_dev(rvdev, rsc->id);
 	if (ret)
-		goto free_vrings;
+		goto remove_rvdev;
 
 	return 0;
 
+remove_rvdev:
+	list_del(&rvdev->node);
 free_vrings:
 	__rproc_free_vrings(rvdev, i);
 	kfree(rvdev);
-- 
1.8.1.2