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authorFabian Frederick <fabf@skynet.be>2015-02-20 19:12:55 +0100
committerDavid S. Miller <davem@davemloft.net>2015-02-22 15:24:10 -0500
commit50462ce0052c67b5a06f19fb7c7f308813006879 (patch)
treefa0ee3b4d3d46d5c4b21f8b215b8a6af0005ff8d /drivers/net/usb/hso.c
parent45cee4f594bcb3083c2d8475462af2f2ddf29aff (diff)
hso: replace current->state by __set_current_state()
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 <peterz@infradead.org> Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/hso.c')
-rw-r--r--drivers/net/usb/hso.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 9cdfb3fe9c15..778e91531fac 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;