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> --- drivers/target/target_core_rd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -u -p a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c --- a/drivers/target/target_core_rd.c +++ b/drivers/target/target_core_rd.c @@ -131,7 +131,7 @@ static int rd_allocate_sgl_table(struct if (sg_per_table < total_sg_needed) chain_entry = 1; - sg = kcalloc(sg_per_table + chain_entry, sizeof(*sg), + sg = kmalloc_array(sg_per_table + chain_entry, sizeof(*sg), GFP_KERNEL); if (!sg) return -ENOMEM;
