Drop LIST_HEAD where the variable it declares has never been used. The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier x; @@ - LIST_HEAD(x); ... when != x // </smpl> Fixes: c82e9aa0a8bc ("mlx4_core: resource tracking for HCA resources used by guests") Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> --- Successfully 0-day tested on 151 configurations. drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 31bd56727022..eb13d3618162 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -4729,7 +4729,6 @@ static void rem_slave_srqs(struct mlx4_dev *dev, int slave) struct res_srq *tmp; int state; u64 in_param; - LIST_HEAD(tlist); int srqn; int err; @@ -4795,7 +4794,6 @@ static void rem_slave_cqs(struct mlx4_dev *dev, int slave) struct res_cq *tmp; int state; u64 in_param; - LIST_HEAD(tlist); int cqn; int err; @@ -4858,7 +4856,6 @@ static void rem_slave_mrs(struct mlx4_dev *dev, int slave) struct res_mpt *tmp; int state; u64 in_param; - LIST_HEAD(tlist); int mptn; int err; @@ -4926,7 +4923,6 @@ static void rem_slave_mtts(struct mlx4_dev *dev, int slave) struct res_mtt *mtt; struct res_mtt *tmp; int state; - LIST_HEAD(tlist); int base; int err; @@ -5115,7 +5111,6 @@ static void rem_slave_eqs(struct mlx4_dev *dev, int slave) struct res_eq *tmp; int err; int state; - LIST_HEAD(tlist); int eqn; err = move_all_busy(dev, slave, RES_EQ);