diff mbox series

[-next] net/mlx5: Remove NULL check before dev_{put, hold}

Message ID 20230222022944.48450-1-yang.lee@linux.alibaba.com (mailing list archive)
State Awaiting Upstream
Delegated to: Netdev Maintainers
Headers show
Series [-next] net/mlx5: Remove NULL check before dev_{put, hold} | expand

Checks

Context Check Description
netdev/tree_selection success Guessed tree name to be net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix warning Target tree name not specified in the subject
netdev/cover_letter success Single patches do not need cover letters
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 warning 3 maintainers not CCed: roid@nvidia.com ozsh@nvidia.com paulb@nvidia.com
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, 9 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Yang Li Feb. 22, 2023, 2:29 a.m. UTC
The call netdev_{put, hold} of dev_{put, hold} will check NULL,
so there is no need to check before using dev_{put, hold},
remove it to silence the warning:

./drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c:714:2-9: WARNING: NULL check before dev_{put, hold} functions is not needed.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4174
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Leon Romanovsky Feb. 22, 2023, 9:34 a.m. UTC | #1
On Wed, Feb 22, 2023 at 10:29:44AM +0800, Yang Li wrote:
> The call netdev_{put, hold} of dev_{put, hold} will check NULL,
> so there is no need to check before using dev_{put, hold},
> remove it to silence the warning:
> 
> ./drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c:714:2-9: WARNING: NULL check before dev_{put, hold} functions is not needed.
> 
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4174
> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
> ---
>  drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 

Please submit this patch with fixed title from -next to be net-next
after merge window.

Thanks
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
index e24b46953542..8f7452dc00ee 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
@@ -710,8 +710,7 @@  void mlx5e_rep_tc_receive(struct mlx5_cqe64 *cqe, struct mlx5e_rq *rq,
 	else
 		napi_gro_receive(rq->cq.napi, skb);
 
-	if (tc_priv.fwd_dev)
-		dev_put(tc_priv.fwd_dev);
+	dev_put(tc_priv.fwd_dev);
 
 	return;