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Staging: android: task_get_unused_fd_flags: fix the wrong usage of tsk->signal
authorOleg Nesterov <oleg@redhat.com>
Sun, 18 Jan 2009 17:17:20 +0000 (18:17 +0100)
committerGreg Kroah-Hartman <gregkh@kvm.kroah.org>
Wed, 28 Jan 2009 23:49:05 +0000 (15:49 -0800)
Compile tested.

task_struct->signal is not protected by RCU, the code is bogus.
Change the code to take ->siglock to pin ->signal.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Arve Hjønnevåg <arve@android.com>
Cc: Brian Swetland <swetland@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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