From 958c492c55bff6fa0b3430e9824dc83597c88aa6 Mon Sep 17 00:00:00 2001 From: Govindarajulu Varadarajan <_govind@gmx.com> Date: Mon, 26 May 2014 15:52:43 +0530 Subject: enic: Fix 64 bit divide on 32bit system Division of a 32 bit number by a 64 bit number causes the following link error introduced by 7c2ce6e60f703 "enic: Add support for adaptive interrupt coalescing" drivers/built-in.o: In function `enic_poll_msix': enic_main.c:(.text+0x48710a): undefined reference to `__udivdi3' make: *** [vmlinux] Error 1 Since numerator is 32 bit, convert denominator to 32 bit accordingly. Fixes: 7c2ce6e60f703 ("enic: Add support for adaptive interrupt coalescing") Reported-by: Jim Davis Cc: Christian Benvenuti Cc: Sujith Sankar Cc: Neel Patel Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com> Signed-off-by: David S. Miller --- drivers/net/ethernet/cisco/enic/enic_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/ethernet/cisco') diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 0d8995cc92ed..d5a220d5bad1 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1217,7 +1217,7 @@ static void enic_calc_int_moderation(struct enic *enic, struct vnic_rq *rq) */ traffic <<= 3; - traffic /= delta; + traffic = delta > UINT_MAX ? 0 : traffic / (u32)delta; for (index = 0; index < ENIC_MAX_COALESCE_TIMERS; index++) if (traffic < mod_table[index].rx_rate) -- cgit v1.2.3