aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/arch/x86/hyperv/mmu.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/hyperv/mmu.c')
-rw-r--r--arch/x86/hyperv/mmu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/hyperv/mmu.c b/arch/x86/hyperv/mmu.c
index 0d90e515ec98..453d2355cd61 100644
--- a/arch/x86/hyperv/mmu.c
+++ b/arch/x86/hyperv/mmu.c
@@ -186,6 +186,8 @@ static u64 hyperv_flush_tlb_others_ex(const struct cpumask *cpus,
flush->hv_vp_set.format = HV_GENERIC_SET_SPARSE_4K;
nr_bank = cpumask_to_vpset(&(flush->hv_vp_set), cpus);
+ if (nr_bank < 0)
+ return U64_MAX;
/*
* We can flush not more than max_gvas with one hypercall. Flush the