From: Kalle Valo <kvalo@kernel.org>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Arend van Spriel <arend.vanspriel@broadcom.com>,
Nathan Chancellor <nathan@kernel.org>,
Greg Kroah-Hartman <gregkh@suse.de>,
Pieter-Paul Giesberts <pieterpg@broadcom.com>,
Arnd Bergmann <arnd@arndb.de>,
Nick Desaulniers <ndesaulniers@google.com>,
Bill Wendling <morbo@google.com>,
Justin Stitt <justinstitt@google.com>,
Artem Chernyshev <artem.chernyshev@red-soft.ru>,
Jonas Gorski <jonas.gorski@gmail.com>,
linux-wireless@vger.kernel.org, brcm80211@lists.linux.dev,
brcm80211-dev-list.pdl@broadcom.com,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev
Subject: Re: [PATCH] brcmsmac: avoid function pointer casts
Date: Thu, 15 Feb 2024 10:33:25 +0000 (UTC) [thread overview]
Message-ID: <170799320307.3764215.10635499094580279814.kvalo@kernel.org> (raw)
In-Reply-To: <20240213100548.457854-1-arnd@kernel.org>
Arnd Bergmann <arnd@kernel.org> wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> An old cleanup went a little too far and causes a warning with clang-16
> and higher as it breaks control flow integrity (KCFI) rules:
>
> drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c:64:34: error: cast from 'void (*)(struct brcms_phy *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict]
> 64 | brcms_init_timer(physhim->wl, (void (*)(void *))fn,
> | ^~~~~~~~~~~~~~~~~~~~
>
> Change this one instance back to passing a void pointer so it can be
> used with the timer callback interface.
>
> Fixes: d89a4c80601d ("staging: brcm80211: removed void * from softmac phy")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
I can add 'wifi:' during commit. Arend, ack?
--
https://patchwork.kernel.org/project/linux-wireless/patch/20240213100548.457854-1-arnd@kernel.org/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
next prev parent reply other threads:[~2024-02-15 10:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-13 10:05 [PATCH] brcmsmac: avoid function pointer casts Arnd Bergmann
2024-02-14 8:45 ` Kalle Valo
2024-02-14 9:23 ` Arend van Spriel
2024-02-14 15:07 ` Arnd Bergmann
2024-02-14 17:55 ` Kalle Valo
2024-02-15 10:33 ` Kalle Valo [this message]
2024-02-15 13:48 ` Arend Van Spriel
2024-02-16 15:49 ` wifi: " Kalle Valo
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