From 91a7d4bf3ee3794d4090cedd17b8e865645f5f79 Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Thu, 30 Jan 2020 18:51:23 -0700 Subject: [PATCH] mlxsw: spectrum_qdisc: Fix 64-bit division error in mlxsw_sp_qdisc_tbf_rate_kbps When building arm32 allmodconfig: ERROR: "__aeabi_uldivmod" [drivers/net/ethernet/mellanox/mlxsw/mlxsw_spectrum.ko] undefined! rate_bytes_ps has type u64, we need to use a 64-bit division helper to avoid a build error. Fixes: a44f58c41bfb ("mlxsw: spectrum_qdisc: Support offloading of TBF Qdisc") Signed-off-by: Nathan Chancellor Reviewed-by: Ido Schimmel Tested-by: Ido Schimmel Acked-by: Jiri Pirko Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c index 79a2801d59f6..02526c53d4f5 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c @@ -614,7 +614,7 @@ mlxsw_sp_qdisc_tbf_rate_kbps(struct tc_tbf_qopt_offload_replace_params *p) /* TBF interface is in bytes/s, whereas Spectrum ASIC is configured in * Kbits/s. */ - return p->rate.rate_bytes_ps / 1000 * 8; + return div_u64(p->rate.rate_bytes_ps, 1000) * 8; } static int -- 2.11.0