linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jon Mason <jdmason@kudzu.us>
To: Jiasen Lin <linjiasen@hygon.cn>
Cc: linux-kernel@vger.kernel.org, linux-ntb@googlegroups.com,
	dan.carpenter@oracle.com, allenbh@gmail.com,
	dave.jiang@intel.com, zhangpanyong@hygon.cn
Subject: Re: [PATCH] NTB: Fix static check warning in perf_clear_test
Date: Thu, 9 Apr 2020 14:08:32 -0400	[thread overview]
Message-ID: <20200409180831.GB21666@kudzu.us> (raw)
In-Reply-To: <1586416284-3246-1-git-send-email-linjiasen@hygon.cn>

On Thu, Apr 09, 2020 at 12:11:24AM -0700, Jiasen Lin wrote:
> As pthr->dma_chan can't be NULL in this context, so there is
> no need to check pthr->dma_chan.
> 
> Fixes: 99a06056124d ("NTB: ntb_perf: Fix address err in perf_copy_chunk")
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> Signed-off-by: Jiasen Lin <linjiasen@hygon.cn>

Pulled into my ntb branch.

Thanks,
Jon

> ---
>  drivers/ntb/test/ntb_perf.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c
> index 972f6d9..f73b126 100644
> --- a/drivers/ntb/test/ntb_perf.c
> +++ b/drivers/ntb/test/ntb_perf.c
> @@ -1010,8 +1010,8 @@ static void perf_clear_test(struct perf_thread *pthr)
>  				   pthr->perf->test_peer->dma_dst_addr,
>  				   pthr->perf->test_peer->outbuf_size,
>  				   DMA_FROM_DEVICE, 0);
> -	if (pthr->dma_chan)
> -		dma_release_channel(pthr->dma_chan);
> +
> +	dma_release_channel(pthr->dma_chan);
>  
>  no_dma_notify:
>  	atomic_dec(&perf->tsync);
> -- 
> 2.7.4
> 
> -- 
> You received this message because you are subscribed to the Google Groups "linux-ntb" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to linux-ntb+unsubscribe@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/linux-ntb/1586416284-3246-1-git-send-email-linjiasen%40hygon.cn.

      reply	other threads:[~2020-04-09 18:08 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-09  7:11 [PATCH] NTB: Fix static check warning in perf_clear_test Jiasen Lin
2020-04-09 18:08 ` Jon Mason [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200409180831.GB21666@kudzu.us \
    --to=jdmason@kudzu.us \
    --cc=allenbh@gmail.com \
    --cc=dan.carpenter@oracle.com \
    --cc=dave.jiang@intel.com \
    --cc=linjiasen@hygon.cn \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-ntb@googlegroups.com \
    --cc=zhangpanyong@hygon.cn \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).