The "2 * UINT_MAX" overflows so the test is essentially doing this:
if ((u64)(ts - cce->timestamp) > UINT_MAX - 1) {
I've changed it to a 64bit type.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
Not tested.
diff --git a/drivers/infiniband/hw/hfi1/mad.c b/drivers/infiniband/hw/hfi1/mad.c
index f4c0ffc040cc..3aeea8afd44f 100644
--- a/drivers/infiniband/hw/hfi1/mad.c
+++ b/drivers/infiniband/hw/hfi1/mad.c
@@ -3781,7 +3781,7 @@ static int __subn_get_opa_hfi1_cong_log(struct opa_smp *smp, u32 am,
* required to wrap the counter are supposed to
* be zeroed (CA10-49 IBTA, release 1.2.1, V1).
*/
- if ((u64)(ts - cce->timestamp) > (2 * UINT_MAX))
+ if ((u64)(ts - cce->timestamp) > (2ULL * UINT_MAX))
continue;
memcpy(cong_log->events[i].local_qp_cn_entry, &cce->lqpn, 3);
memcpy(cong_log->events[i].remote_qp_number_cn_entry,
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