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(parent: 5dcb34b) | patch
serial: core: replace current->state by __set_current_state()
authorFabian Frederick <fabf@skynet.be>
Fri, 20 Feb 2015 18:12:57 +0000 (19:12 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 7 Mar 2015 02:08:42 +0000 (03:08 +0100)
commit97f9f707d26dfe34368a5b88f1996f2eaf973b42
tree366b6e1778ad0489755a74289e1622f6145f9dfftree | snapshot
parent5dcb34bbc3f3274b37a71a71f1b60ac96782a5edcommit | diff
serial: core: 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/serial_core.c diff | blob | history
John Crispins staging tree