Use helper functions to access current->state.
Direct assignments are prone to races and therefore buggy.
Thanks to Peter Zijlstra for the exact definition of the problem.
Suggested-By: Peter Zijlstra <pet...@infradead.org>
Signed-off-by: Fabian Frederick <f...@skynet.be>
---
drivers/net/usb/hso.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 9cdfb3f..778e915 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1594,7 +1594,7 @@ hso_wait_modem_status(struct hso_serial *serial, unsigned
long arg)
}
cprev = cnow;
}
- current->state = TASK_RUNNING;
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(&tiocmget->waitq, &wait);
return ret;
--
2.1.0
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