[HPDD-discuss] [PATCH 12/20] staging: lustre: obdclass: genops: remove unneeded null test before free

Kfree can cope with a null argument, so drop null tests. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression ptr; @@ - if (ptr != NULL) kfree(ptr); // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall(a)lip6.fr&gt; --- drivers/staging/lustre/lustre/obdclass/genops.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/staging/lustre/lustre/obdclass/genops.c b/drivers/staging/lustre/lustre/obdclass/genops.c index a107aea..37d6aef 100644 --- a/drivers/staging/lustre/lustre/obdclass/genops.c +++ b/drivers/staging/lustre/lustre/obdclass/genops.c @@ -213,12 +213,9 @@ int class_register_type(struct obd_ops *dt_ops, struct md_ops *md_ops, return 0; failed: - if (type->typ_name != NULL) - kfree(type->typ_name); - if (type->typ_md_ops != NULL) - kfree(type->typ_md_ops); - if (type->typ_dt_ops != NULL) - kfree(type->typ_dt_ops); + kfree(type->typ_name); + kfree(type->typ_md_ops); + kfree(type->typ_dt_ops); kfree(type); return rc; } @@ -253,10 +250,8 @@ int class_unregister_type(const char *name) list_del(&type->typ_chain); spin_unlock(&obd_types_lock); kfree(type->typ_name); - if (type->typ_dt_ops != NULL) - kfree(type->typ_dt_ops); - if (type->typ_md_ops != NULL) - kfree(type->typ_md_ops); + kfree(type->typ_dt_ops); + kfree(type->typ_md_ops); kfree(type); return 0; } /* class_unregister_type */