Commit 425f1cc2 authored by Hillf Danton's avatar Hillf Danton Committed by Stefano Stabellini
Browse files

xen/arm: Free p2m entry if fail to add it to RB tree 



Release the newly allocated p2m entry if we detect a duplicate in the RB
tree.

Signed-off-by: default avatarHillf Danton <hdanton@sina.com>
Signed-off-by: default avatarStefano Stabellini <sstabellini@kernel.org>
Reviewed-by: default avatarStefano Stabellini <sstabellini@kernel.org>
parent 72813bfb

arch/arm/xen/p2m.c

+1 −0
Original line number Diff line number Diff line
@@ -156,6 +156,7 @@ bool __set_phys_to_machine_multi(unsigned long pfn, 
	rc = xen_add_phys_to_mach_entry(p2m_entry);

	if (rc < 0) {

		write_unlock_irqrestore(&p2m_lock, irqflags);

		kfree(p2m_entry);

		return false;

	}

	write_unlock_irqrestore(&p2m_lock, irqflags);