Re: [PATCH][next] octeontx2-pf: Fix unintentional sign extension issue
From: patchwork-bot+netdevbpf
Date: Fri Nov 20 2020 - 14:10:54 EST
Hello:
This patch was applied to netdev/net-next.git (refs/heads/master):
On Wed, 18 Nov 2020 13:05:20 +0000 you wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The shifting of the u16 result from ntohs(proto) by 16 bits to the
> left will be promoted to a 32 bit signed int and then sign-extended
> to a u64. In the event that the top bit of the return from ntohs(proto)
> is set then all then all the upper 32 bits of a 64 bit long end up as
> also being set because of the sign-extension. Fix this by casting to
> a u64 long before the shift.
>
> [...]
Here is the summary with links:
- [next] octeontx2-pf: Fix unintentional sign extension issue
https://git.kernel.org/netdev/net-next/c/583b273dea75
You are awesome, thank you!
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