[PATCH] net: openvswitch: use do_div() for 64-by-32 divisions:

From: Geert Uytterhoeven
Date: Fri Apr 24 2020 - 08:10:58 EST


On 32-bit architectures (e.g. m68k):

ERROR: modpost: "__udivdi3" [net/openvswitch/openvswitch.ko] undefined!
ERROR: modpost: "__divdi3" [net/openvswitch/openvswitch.ko] undefined!

Fixes: e57358873bb5d6ca ("net: openvswitch: use u64 for meter bucket")
Reported-by: noreply@xxxxxxxxxxxxxx
Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
net/openvswitch/meter.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/openvswitch/meter.c b/net/openvswitch/meter.c
index 915f31123f235c03..3498a5ab092ab2b8 100644
--- a/net/openvswitch/meter.c
+++ b/net/openvswitch/meter.c
@@ -393,7 +393,7 @@ static struct dp_meter *dp_meter_create(struct nlattr **a)
* Start with a full bucket.
*/
band->bucket = (band->burst_size + band->rate) * 1000ULL;
- band_max_delta_t = band->bucket / band->rate;
+ band_max_delta_t = do_div(band->bucket, band->rate);
if (band_max_delta_t > meter->max_delta_t)
meter->max_delta_t = band_max_delta_t;
band++;
--
2.17.1