Re: [PATCH] [RESEND] net: stmmac: fix gcc-10 -Wrestrict warning

From: patchwork-bot+netdevbpf
Date: Mon Sep 27 2021 - 09:00:11 EST


Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Mon, 27 Sep 2021 12:02:44 +0200 you wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> gcc-10 and later warn about a theoretical array overrun when
> accessing priv->int_name_rx_irq[i] with an out of bounds value
> of 'i':
>
> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c: In function 'stmmac_request_irq_multi_msi':
> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3528:17: error: 'snprintf' argument 4 may overlap destination object 'dev' [-Werror=restrict]
> 3528 | snprintf(int_name, int_name_len, "%s:%s-%d", dev->name, "tx", i);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3404:60: note: destination object referenced by 'restrict'-qualified argument 1 was declared here
> 3404 | static int stmmac_request_irq_multi_msi(struct net_device *dev)
> | ~~~~~~~~~~~~~~~~~~~^~~
>
> [...]

Here is the summary with links:
- [RESEND] net: stmmac: fix gcc-10 -Wrestrict warning
https://git.kernel.org/netdev/net-next/c/3e0d5699a975

You are awesome, thank you!
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