Commit a35342d0 authored Apr 02, 2019 by Sidong Yang Committed by Greg Kroah-Hartman Apr 02, 2019

staging: pi433: Return thread immediately when kthread_should_stop() call.



When kthread_stop() called by removing module, running thread should
return immediately. Otherwise, It is very dangerous that thread may access
any released data like struct pi433_device.

Signed-off-by: Sidong Yang <realwakka@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent e7c3d054

drivers/staging/pi433/pi433_if.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -736,7 +736,7 @@ pi433_tx_thread(void *data)
		device->free_in_fifo == FIFO_SIZE \|\|
		kthread_should_stop());
		if (kthread_should_stop())
		dev_dbg(device->dev, "ABORT\n");
		return 0;

		/* STOP_TRANSMISSION */
		dev_dbg(device->dev, "thread: Packet sent. Set mode to stby.");

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