[Xen-devel] [PATCH] xen/pvcalls: NULL dereference in error handling

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

We accidentally dereference "map" when it's NULL.

Fixes: b535e2b9b78a ("xen/pvcalls: implement connect command")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index d6c4c4aecb41..01b690e1e555 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -424,7 +424,7 @@ static int pvcalls_back_connect(struct xenbus_device *dev,
                                        sock);
        if (!map) {
                ret = -EFAULT;
-               sock_release(map->sock);
+               sock_release(sock);
        }
 
 out:

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