linux-kernel - Re: [PATCH] nvmem: core: fix nvmem_cell

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 9 Sep 2019 12:26:06 +0300
From:   Nandor Han <nandor.han@...sala.com>
To:     Sebastian Reichel <sre@...nel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     Sebastian Reichel <sebastian.reichel@...labora.com>,
        kbuild test robot <lkp@...el.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvmem: core: fix nvmem_cell_write inline function

On 9/8/19 3:10 PM, Sebastian Reichel wrote:
> From: Sebastian Reichel <sebastian.reichel@...labora.com>
> 
> nvmem_cell_write's buf argument uses different types based on
> the configuration of CONFIG_NVMEM. The function prototype for
> enabled NVMEM uses 'void *' type, but the static dummy function
> for disabled NVMEM uses 'const char *' instead. Fix the different
> behaviour by always expecting a 'void *' typed buf argument.
> 
> Fixes: 7a78a7f7695b ("power: reset: nvmem-reboot-mode: use NVMEM as reboot mode write interface")
> Reported-by: kbuild test robot <lkp@...el.com>
> Cc: Han Nandor <nandor.han@...sala.com>
> Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> ---
>   include/linux/nvmem-consumer.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h
> index 8f8be5b00060..5c17cb733224 100644
> --- a/include/linux/nvmem-consumer.h
> +++ b/include/linux/nvmem-consumer.h
> @@ -118,7 +118,7 @@ static inline void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len)
>   }
>   
>   static inline int nvmem_cell_write(struct nvmem_cell *cell,
> -				    const char *buf, size_t len)
> +				   void *buf, size_t len)

nitpick: alignment issue?

Review-By: Han Nandor <nandor.han@...sala.com>

Nandor