diff mbox series

[net,v2] mlxsw: spectrum_router: fix xa_store() error checking

Message ID 20241017023223.74180-1-yuancan@huawei.com (mailing list archive)
State Accepted
Commit f7b4cf0306bbea500a613e4b618576452c1df4ba
Delegated to: Netdev Maintainers
Headers show
Series [net,v2] mlxsw: spectrum_router: fix xa_store() error checking | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag present in non-next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 5 this patch: 5
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 1 maintainers not CCed: andrew+netdev@lunn.ch
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 4 this patch: 4
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 22 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-10-19--00-00 (tests: 777)

Commit Message

Yuan Can Oct. 17, 2024, 2:32 a.m. UTC
It is meant to use xa_err() to extract the error encoded in the return
value of xa_store().

Fixes: 44c2fbebe18a ("mlxsw: spectrum_router: Share nexthop counters in resilient groups")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
---
Changes since v1:
- Change target branch to net.
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

Comments

Petr Machata Oct. 17, 2024, 5:05 p.m. UTC | #1
Yuan Can <yuancan@huawei.com> writes:

> It is meant to use xa_err() to extract the error encoded in the return
> value of xa_store().
>
> Fixes: 44c2fbebe18a ("mlxsw: spectrum_router: Share nexthop counters in resilient groups")
> Signed-off-by: Yuan Can <yuancan@huawei.com>
> Reviewed-by: Petr Machata <petrm@nvidia.com>
> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>

Tested-by: Petr Machata <petrm@nvidia.com>
patchwork-bot+netdevbpf@kernel.org Oct. 22, 2024, 11:10 a.m. UTC | #2
Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Thu, 17 Oct 2024 10:32:23 +0800 you wrote:
> It is meant to use xa_err() to extract the error encoded in the return
> value of xa_store().
> 
> Fixes: 44c2fbebe18a ("mlxsw: spectrum_router: Share nexthop counters in resilient groups")
> Signed-off-by: Yuan Can <yuancan@huawei.com>
> Reviewed-by: Petr Machata <petrm@nvidia.com>
> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
> 
> [...]

Here is the summary with links:
  - [net,v2] mlxsw: spectrum_router: fix xa_store() error checking
    https://git.kernel.org/netdev/net/c/f7b4cf0306bb

You are awesome, thank you!
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 800dfb64ec83..7d6d859cef3f 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -3197,7 +3197,6 @@  mlxsw_sp_nexthop_sh_counter_get(struct mlxsw_sp *mlxsw_sp,
 {
 	struct mlxsw_sp_nexthop_group *nh_grp = nh->nhgi->nh_grp;
 	struct mlxsw_sp_nexthop_counter *nhct;
-	void *ptr;
 	int err;
 
 	nhct = xa_load(&nh_grp->nhgi->nexthop_counters, nh->id);
@@ -3210,12 +3209,10 @@  mlxsw_sp_nexthop_sh_counter_get(struct mlxsw_sp *mlxsw_sp,
 	if (IS_ERR(nhct))
 		return nhct;
 
-	ptr = xa_store(&nh_grp->nhgi->nexthop_counters, nh->id, nhct,
-		       GFP_KERNEL);
-	if (IS_ERR(ptr)) {
-		err = PTR_ERR(ptr);
+	err = xa_err(xa_store(&nh_grp->nhgi->nexthop_counters, nh->id, nhct,
+			      GFP_KERNEL));
+	if (err)
 		goto err_store;
-	}
 
 	return nhct;