linux-kernel - Re: [PATCH] mhi_bus: core: Return EBUSY if MHI ring is full

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]

Message-ID: <20210217032628.GA3967@thinkpad>
Date:   Wed, 17 Feb 2021 08:56:28 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Jeffrey Hugo <jhugo@...eaurora.org>
Cc:     hemantk@...eaurora.org, bbhatt@...eaurora.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Fan Wu <wufan@...eaurora.org>
Subject: Re: [PATCH] mhi_bus: core: Return EBUSY if MHI ring is full

On Tue, Feb 16, 2021 at 11:48:34AM -0700, Jeffrey Hugo wrote:
> From: Fan Wu <wufan@...eaurora.org>
> 
> Currently ENOMEM is returned when MHI ring is full. This error code is
> very misleading. Change to EBUSY instead.
> 

Please use the subject prefix:

"bus: mhi: ..."

Thanks,
Mani

> Signed-off-by: Fan Wu <wufan@...eaurora.org>
> Signed-off-by: Jeffrey Hugo <jhugo@...eaurora.org>
> ---
>  drivers/bus/mhi/core/main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
> index f182736..21eb5fc 100644
> --- a/drivers/bus/mhi/core/main.c
> +++ b/drivers/bus/mhi/core/main.c
> @@ -996,7 +996,7 @@ static int mhi_queue(struct mhi_device *mhi_dev, struct mhi_buf_info *buf_info,
>  
>  	ret = mhi_is_ring_full(mhi_cntrl, tre_ring);
>  	if (unlikely(ret)) {
> -		ret = -ENOMEM;
> +		ret = -EBUSY;
>  		goto exit_unlock;
>  	}
>  
> -- 
> Qualcomm Technologies, Inc. is a member of the
> Code Aurora Forum, a Linux Foundation Collaborative Project.
>