diff mbox series

[net-next,v4,03/10] tsnep: Do not print DMA mapping error

Message ID 20230109191523.12070-4-gerhard@engleder-embedded.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series tsnep: XDP support | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next, async
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 6 of 6 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Gerhard Engleder Jan. 9, 2023, 7:15 p.m. UTC
Printing in data path shall be avoided. DMA mapping error is already
counted in stats so printing is not necessary.

Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
---
 drivers/net/ethernet/engleder/tsnep_main.c | 2 --
 1 file changed, 2 deletions(-)

Comments

Alexander Duyck Jan. 10, 2023, 3:53 p.m. UTC | #1
On Mon, 2023-01-09 at 20:15 +0100, Gerhard Engleder wrote:
> Printing in data path shall be avoided. DMA mapping error is already
> counted in stats so printing is not necessary.
> 
> Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
> ---
>  drivers/net/ethernet/engleder/tsnep_main.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/engleder/tsnep_main.c b/drivers/net/ethernet/engleder/tsnep_main.c
> index d148ba422b8c..8c6d6e210494 100644
> --- a/drivers/net/ethernet/engleder/tsnep_main.c
> +++ b/drivers/net/ethernet/engleder/tsnep_main.c
> @@ -469,8 +469,6 @@ static netdev_tx_t tsnep_xmit_frame_ring(struct sk_buff *skb,
>  
>  		spin_unlock_bh(&tx->lock);
>  
> -		netdev_err(tx->adapter->netdev, "TX DMA map failed\n");
> -
>  		return NETDEV_TX_OK;
>  	}
>  	length = retval;

It might be nice to add a stat to indicate that this is specifically a
mapping error rather than just incrementing dropped but that could also
be done in a future patch.

Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Gerhard Engleder Jan. 10, 2023, 7:47 p.m. UTC | #2
On 10.01.23 16:53, Alexander H Duyck wrote:
> On Mon, 2023-01-09 at 20:15 +0100, Gerhard Engleder wrote:
>> Printing in data path shall be avoided. DMA mapping error is already
>> counted in stats so printing is not necessary.
>>
>> Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
>> ---
>>   drivers/net/ethernet/engleder/tsnep_main.c | 2 --
>>   1 file changed, 2 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/engleder/tsnep_main.c b/drivers/net/ethernet/engleder/tsnep_main.c
>> index d148ba422b8c..8c6d6e210494 100644
>> --- a/drivers/net/ethernet/engleder/tsnep_main.c
>> +++ b/drivers/net/ethernet/engleder/tsnep_main.c
>> @@ -469,8 +469,6 @@ static netdev_tx_t tsnep_xmit_frame_ring(struct sk_buff *skb,
>>   
>>   		spin_unlock_bh(&tx->lock);
>>   
>> -		netdev_err(tx->adapter->netdev, "TX DMA map failed\n");
>> -
>>   		return NETDEV_TX_OK;
>>   	}
>>   	length = retval;
> 
> It might be nice to add a stat to indicate that this is specifically a
> mapping error rather than just incrementing dropped but that could also
> be done in a future patch.

I took a note for future work.

Gerhard
diff mbox series

Patch

diff --git a/drivers/net/ethernet/engleder/tsnep_main.c b/drivers/net/ethernet/engleder/tsnep_main.c
index d148ba422b8c..8c6d6e210494 100644
--- a/drivers/net/ethernet/engleder/tsnep_main.c
+++ b/drivers/net/ethernet/engleder/tsnep_main.c
@@ -469,8 +469,6 @@  static netdev_tx_t tsnep_xmit_frame_ring(struct sk_buff *skb,
 
 		spin_unlock_bh(&tx->lock);
 
-		netdev_err(tx->adapter->netdev, "TX DMA map failed\n");
-
 		return NETDEV_TX_OK;
 	}
 	length = retval;