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Message-Id: <167088721582.27199.17800143260465196314.git-patchwork-notify@kernel.org> Date: Mon, 12 Dec 2022 23:20:15 +0000 From: patchwork-bot+netdevbpf@...nel.org To: Piergiorgio Beruto <piergiorgio.beruto@...il.com> Cc: peppe.cavallaro@...com, alexandre.torgue@...s.st.com, joabreu@...opsys.com, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, mcoquelin.stm32@...il.com, richardcochran@...il.com, julien.beraud@...lia.com, netdev@...r.kernel.org, andrew@...n.ch Subject: Re: [PATCH v2 net 1/1] stmmac: fix potential division by 0 Hello: This patch was applied to netdev/net.git (master) by Jakub Kicinski <kuba@...nel.org>: On Sat, 10 Dec 2022 23:37:22 +0100 you wrote: > When the MAC is connected to a 10 Mb/s PHY and the PTP clock is derived > from the MAC reference clock (default), the clk_ptp_rate becomes too > small and the calculated sub second increment becomes 0 when computed by > the stmmac_config_sub_second_increment() function within > stmmac_init_tstamp_counter(). > > Therefore, the subsequent div_u64 in stmmac_init_tstamp_counter() > operation triggers a divide by 0 exception as shown below. > > [...] Here is the summary with links: - [v2,net,1/1] stmmac: fix potential division by 0 https://git.kernel.org/netdev/net/c/ede5a389852d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
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