[PATCH v2] sfc: Convert to use ERR_CAST()

[Shen Lichuan]

As opposed to open-code, using the ERR_CAST macro clearly indicates that
this is a pointer to an error value and a type conversion was performed.

Signed-off-by: Shen Lichuan <shenlichuan@xxxxxxxx>
Reviewed-by: Jacob Keller <jacob.e.keller@xxxxxxxxx>
---
v1 -> v2: Removed the superfluous comment.

 drivers/net/ethernet/sfc/tc_counters.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sfc/tc_counters.c b/drivers/net/ethernet/sfc/tc_counters.c
index c44088424323..a421b0123506 100644
--- a/drivers/net/ethernet/sfc/tc_counters.c
+++ b/drivers/net/ethernet/sfc/tc_counters.c
@@ -249,7 +249,7 @@ struct efx_tc_counter_index *efx_tc_flower_get_counter_index(
 					       &ctr->linkage,
 					       efx_tc_counter_id_ht_params);
 			kfree(ctr);
-			return (void *)cnt; /* it's an ERR_PTR */
+			return ERR_CAST(cnt);
 		}
 		ctr->cnt = cnt;
 		refcount_set(&ctr->ref, 1);
-- 
2.17.1