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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Cindy Lu <lulu@redhat.com>,
        "Michael S. Tsirkin" <mst@redhat.com>
Subject: [PATCH 5.14 114/151] vhost-vdpa: Fix the wrong input in config_cb
Date:   Mon, 18 Oct 2021 15:24:53 +0200
Message-Id: <20211018132344.384968061@linuxfoundation.org>
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From: Cindy Lu <lulu@redhat.com>

commit bcef9356fc2e1302daf373c83c826aa27954d128 upstream.

Fix the wrong input in for config_cb. In function vhost_vdpa_config_cb,
the input cb.private was used as struct vhost_vdpa, so the input was
wrong here, fix this issue

Fixes: 776f395004d8 ("vhost_vdpa: Support config interrupt in vdpa")
Signed-off-by: Cindy Lu <lulu@redhat.com>
Link: https://lore.kernel.org/r/20210929090933.20465-1-lulu@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/vhost/vdpa.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -316,7 +316,7 @@ static long vhost_vdpa_set_config_call(s
 	struct eventfd_ctx *ctx;
 
 	cb.callback = vhost_vdpa_config_cb;
-	cb.private = v->vdpa;
+	cb.private = v;
 	if (copy_from_user(&fd, argp, sizeof(fd)))
 		return  -EFAULT;