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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-06-14 09:07:45 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-06-14 09:07:45 +0200
commit68afbd8459e9c8a86544b5e884041981b837e162 (patch)
treed469492c943d94ed2654c35dfdf663671c6cde3d /drivers/net/xen-netback/interface.c
parent5a576764e4190f7b48cf3cf40f4294f001918605 (diff)
parent009c9aa5be652675a06d5211e1640e02bbb1c33d (diff)
Merge tag 'v5.13-rc6' into driver-core-next
We need the driver core fix in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/xen-netback/interface.c')
-rw-r--r--drivers/net/xen-netback/interface.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 193b723fe3bd..c58996c1e230 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -684,6 +684,7 @@ static void xenvif_disconnect_queue(struct xenvif_queue *queue)
{
if (queue->task) {
kthread_stop(queue->task);
+ put_task_struct(queue->task);
queue->task = NULL;
}
@@ -745,6 +746,11 @@ int xenvif_connect_data(struct xenvif_queue *queue,
if (IS_ERR(task))
goto kthread_err;
queue->task = task;
+ /*
+ * Take a reference to the task in order to prevent it from being freed
+ * if the thread function returns before kthread_stop is called.
+ */
+ get_task_struct(task);
task = kthread_run(xenvif_dealloc_kthread, queue,
"%s-dealloc", queue->name);