serial: core: replace current->state by __set_current_state()

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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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Fabian Frederick 2015-02-20 19:12:57 +01:00 • committed by Greg Kroah-Hartman

parent 5dcb34bbc3

commit 97f9f707d2

1 changed files with 1 additions and 2 deletions

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drivers/tty/serial/serial_core.c

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