futex: Move exit_pi_state() call to release_mm() (322a2c10) · Commits · 戴 / test

exit_pi_state() is called from do_exit() but not from do_execve(). Move it to release_mm() so it gets called from do_execve() as well. Signed-off-by:

Thomas Gleixner <tglx@linutronix.de> LKML-Reference: <new-submission> Cc: stable@kernel.org Cc: Anirban Sinha <ani@anirban.org> Cc: Peter Zijlstra <peterz@infradead.org>

kernel/exit.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -989,8 +989,6 @@ NORET_TYPE void do_exit(long code)
		tsk->mempolicy = NULL;
		#endif
		#ifdef CONFIG_FUTEX
		if (unlikely(!list_empty(&tsk->pi_state_list)))
		exit_pi_state_list(tsk);
		if (unlikely(current->pi_state_cache))
		kfree(current->pi_state_cache);
		#endif

kernel/fork.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -553,6 +553,8 @@ void mm_release(struct task_struct tsk, struct mm_struct mm)
		tsk->compat_robust_list = NULL;
		}
		#endif
		if (unlikely(!list_empty(&tsk->pi_state_list)))
		exit_pi_state_list(tsk);
		#endif

		/* Get rid of any cached register state */

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