Commit 425f1cc2 authored Apr 30, 2019 by Hillf Danton Committed by Stefano Stabellini Apr 30, 2019

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: Hillf Danton <hdanton@sina.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Stefano 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);

Admin message