prov/usnic: fix CID 375177

Ensure order of operations doesn't truncate a value: force the use of 64-bit math. Signed-off-by: Jeff Squyres <[email protected]>
ofiwg · Apr 18, 2024 · ee31a23 · ee31a23
1 parent a466f1b
commit ee31a23
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/prov/usnic/src/usnic_direct/usd_queues.c b/prov/usnic/src/usnic_direct/usd_queues.c
@@ -505,7 +505,7 @@ usd_create_wq_pio(
     /* packet buffer */
     wq->pio_v_pkt_buf = (void *)ivaddr;
     wq->pio_p_pkt_buf = pio_paddr + ivaddr - (uint64_t)pio_vaddr;
-    ivaddr += wq->uwq_num_entries * 256;
+    ivaddr += ((uint64_t) wq->uwq_num_entries) * 256;
 
     used_size = ivaddr - (uintptr_t)pio_vaddr;
     if (used_size > pio_memsize) {