Thread (1 message) 1 message, 1 author, 2022-02-10

Re: [PATCH] net: wireless: ath: use div64_u64() instead of do_div()

From: Kalle Valo <kvalo@kernel.org>
Date: 2022-02-10 06:41:07
Also in: lkml, netdev

Qing Wang [off-list ref] writes:
From: Wang Qing <redacted>

do_div() does a 64-by-32 division.
When the divisor is u64, do_div() truncates it to 32 bits, this means it
can test non-zero and be truncated to zero for division.

fix do_div.cocci warning:
do_div() does a 64-by-32 division, please consider using div64_u64 instead.

Signed-off-by: Wang Qing <redacted>
---
 drivers/net/wireless/ath/wil6210/debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
The subject prefix should be "wil6210:", but I can fix that.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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