From 59f65f495d0defb62032422d1adec841fc657213 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sat, 19 Dec 2015 21:48:59 +0100 Subject: [PATCH] IB/usnic: delete unneeded IS_ERR test kzalloc doesn't return ERR_PTR, so there is no need to test for it. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression x,e; @@ * x = kzalloc(...) ... when != x = e * IS_ERR_OR_NULL(x) // Signed-off-by: Julia Lawall Reviewed-by: Dave Goodell Signed-off-by: Doug Ledford --- drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 111afd59ad15..6cdb4d23f78f 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -625,8 +625,8 @@ struct ib_mr *usnic_ib_reg_mr(struct ib_pd *pd, u64 start, u64 length, virt_addr, length); mr = kzalloc(sizeof(*mr), GFP_KERNEL); - if (IS_ERR_OR_NULL(mr)) - return ERR_PTR(mr ? PTR_ERR(mr) : -ENOMEM); + if (!mr) + return ERR_PTR(-ENOMEM); mr->umem = usnic_uiom_reg_get(to_upd(pd)->umem_pd, start, length, access_flags, 0); -- 2.20.1