sg_init_table zeroes its first argument, so the allocation of that argument doesn't have to. the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x,n,flags; @@ x = - kcalloc + kmalloc_array (n,sizeof(*x),flags) ... sg_init_table(x,n) // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxxx> --- net/rds/rdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -u -p a/net/rds/rdma.c b/net/rds/rdma.c --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -269,7 +269,7 @@ static int __rds_rdma_map(struct rds_soc goto out; } else { nents = ret; - sg = kcalloc(nents, sizeof(*sg), GFP_KERNEL); + sg = kmalloc_array(nents, sizeof(*sg), GFP_KERNEL); if (!sg) { ret = -ENOMEM; goto out;