From: Hillf Danton Date: Tue, 30 Apr 2019 18:25:00 +0000 (-0700) Subject: xen/arm: Free p2m entry if fail to add it to RB tree X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=425f1cc2218af96d81dbec092155d436d6037d2c;p=openwrt%2Fstaging%2Fblogic.git 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 Signed-off-by: Stefano Stabellini Reviewed-by: Stefano Stabellini --- diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c index e70a49fc8dcd..d3f632c88890 100644 --- a/arch/arm/xen/p2m.c +++ b/arch/arm/xen/p2m.c @@ -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);