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-rw-r--r--drivers/infiniband/core/uverbs_std_types_dmah.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types_dmah.c b/drivers/infiniband/core/uverbs_std_types_dmah.c
index 453ce656c6f2..97101e093826 100644
--- a/drivers/infiniband/core/uverbs_std_types_dmah.c
+++ b/drivers/infiniband/core/uverbs_std_types_dmah.c
@@ -47,6 +47,11 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DMAH_ALLOC)(
if (ret)
goto err;
+ if (dmah->cpu_id >= nr_cpu_ids) {
+ ret = -EINVAL;
+ goto err;
+ }
+
if (!cpumask_test_cpu(dmah->cpu_id, current->cpus_ptr)) {
ret = -EPERM;
goto err;