* [PATCH] NTB: Fix static check warning in perf_clear_test
@ 2020-04-09 7:11 Jiasen Lin
2020-04-09 18:08 ` Jon Mason
0 siblings, 1 reply; 2+ messages in thread
From: Jiasen Lin @ 2020-04-09 7:11 UTC (permalink / raw)
To: linux-kernel, linux-ntb, jdmason, dan.carpenter
Cc: allenbh, dave.jiang, zhangpanyong, linjiasen
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>
---
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] NTB: Fix static check warning in perf_clear_test
2020-04-09 7:11 [PATCH] NTB: Fix static check warning in perf_clear_test Jiasen Lin
@ 2020-04-09 18:08 ` Jon Mason
0 siblings, 0 replies; 2+ messages in thread
From: Jon Mason @ 2020-04-09 18:08 UTC (permalink / raw)
To: Jiasen Lin
Cc: linux-kernel, linux-ntb, dan.carpenter, allenbh, dave.jiang,
zhangpanyong
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
>
> --
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2020-04-09 18:08 ` Jon Mason
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