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misc: mic: double free on ioctl error path

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This function only has one caller.  Freeing "vdev" here leads to a use
after free bug.  There are several other error paths in this function
but this is the only one which frees "vdev".  It looks like the kfree()
can be safely removed.

Fixes: 61e9c905df ("misc: mic: Enable VOP host side functionality")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2017-01-09 11:20:16 +03:00 committed by Greg Kroah-Hartman
parent ddc5c9a37b
commit 816c9311f1
1 changed files with 0 additions and 1 deletions
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drivers/misc/mic/vop/vop_vringh.c
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@ -292,7 +292,6 @@ static int vop_virtio_add_device(struct vop_vdev *vdev,
if (ret) {
dev_err(vop_dev(vdev), "%s %d err %d\n",
__func__, __LINE__, ret);
kfree(vdev);
return ret;
}