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authorHillf Danton <hdanton@sina.com>2019-04-30 11:25:00 -0700
committerStefano Stabellini <sstabellini@kernel.org>2019-04-30 11:25:00 -0700
commit425f1cc2218af96d81dbec092155d436d6037d2c (patch)
tree339ae30f6d2eb6ed60437031e7f791050ab2e32f /arch/arm/xen
parent72813bfbf0276a97c82af038efb5f02dcdd9e310 (diff)
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>
Diffstat (limited to 'arch/arm/xen')
-rw-r--r--arch/arm/xen/p2m.c1
1 files changed, 1 insertions, 0 deletions
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);