Commit af4355e9 authored Dec 31, 2012 by Oleg Nesterov

uprobes: Kill the bogus IS_ERR_VALUE(xol_vaddr) check



utask->xol_vaddr is either zero or valid, remove the bogus
IS_ERR_VALUE() check in xol_free_insn_slot().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Anton Arapov <anton@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>

parent 608e7427

kernel/events/uprobes.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -1223,8 +1223,7 @@ static void xol_free_insn_slot(struct task_struct *tsk)
		return;

		slot_addr = tsk->utask->xol_vaddr;

		if (unlikely(!slot_addr \|\| IS_ERR_VALUE(slot_addr)))
		if (unlikely(!slot_addr))
		return;

		area = tsk->mm->uprobes_state.xol_area;