git: 1a9ef1a34300 - main - OFED: Use prandom_u32() to reduce diff with upstream

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=1a9ef1a3430036581b5a136091fc492bf2fa50ac

commit 1a9ef1a3430036581b5a136091fc492bf2fa50ac
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2026-01-20 20:42:55 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2026-06-22 18:36:52 +0000

    OFED: Use prandom_u32() to reduce diff with upstream
    
    Tested by:      Wafa Hamzah <wafah@nvidia.com> (mlx5_ib)
    Tested by:      John Baldwin <jhb@FreeBSD.org> (iw_cxgbe)
    Sponsored by:   Chelsio Communications
---
 sys/ofed/drivers/infiniband/core/ib_cma.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sys/ofed/drivers/infiniband/core/ib_cma.c b/sys/ofed/drivers/infiniband/core/ib_cma.c
index 44783cbf8362..43f0e4c7bb32 100644
--- a/sys/ofed/drivers/infiniband/core/ib_cma.c
+++ b/sys/ofed/drivers/infiniband/core/ib_cma.c
@@ -3219,12 +3219,10 @@ static int cma_alloc_any_port(enum rdma_port_space ps,
 	int low, high, remaining;
 	unsigned int rover;
 	struct vnet *net = id_priv->id.route.addr.dev_addr.net;
-	u32 rand;
 
 	inet_get_local_port_range(net, &low, &high);
 	remaining = (high - low) + 1;
-	get_random_bytes(&rand, sizeof(rand));
-	rover = rand % remaining + low;
+	rover = prandom_u32() % remaining + low;
 retry:
 	if (last_used_port != rover &&
 	    !cma_ps_find(net, ps, (unsigned short)rover)) {