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 <[email protected]> --- drivers/infiniband/hw/efa/efa_verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -u -p a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -1157,7 +1157,7 @@ static struct scatterlist *efa_vmalloc_b struct page *pg; int i; - sglist = kcalloc(page_cnt, sizeof(*sglist), GFP_KERNEL); + sglist = kmalloc_array(page_cnt, sizeof(*sglist), GFP_KERNEL); if (!sglist) return NULL; sg_init_table(sglist, page_cnt);
