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-rw-r--r--drivers/staging/usbip/stub_dev.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/staging/usbip/stub_dev.c b/drivers/staging/usbip/stub_dev.c
index 8214c353d9f..bce7d039346 100644
--- a/drivers/staging/usbip/stub_dev.c
+++ b/drivers/staging/usbip/stub_dev.c
@@ -220,8 +220,10 @@ static void stub_shutdown_connection(struct usbip_device *ud)
}
/* 1. stop threads */
- kthread_stop(ud->tcp_rx);
- kthread_stop(ud->tcp_tx);
+ if (ud->tcp_rx && !task_is_dead(ud->tcp_rx))
+ kthread_stop(ud->tcp_rx);
+ if (ud->tcp_tx && !task_is_dead(ud->tcp_tx))
+ kthread_stop(ud->tcp_tx);
/* 2. close the socket */
/*