| Message ID | 20200618145342.GA15946@embeddedor |
|---|---|
| State | New |
| Headers | show |
| Series | [next] net/sched: cls_u32: Use struct_size() in kzalloc() | expand |
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index e15ff335953d..771b068f8254 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -796,9 +796,7 @@ static struct tc_u_knode *u32_init_knode(struct net *net, struct tcf_proto *tp, struct tc_u32_sel *s = &n->sel; struct tc_u_knode *new; - new = kzalloc(sizeof(*n) + s->nkeys*sizeof(struct tc_u32_key), - GFP_KERNEL); - + new = kzalloc(struct_size(new, sel.keys, s->nkeys), GFP_KERNEL); if (!new) return NULL;
Make use of the struct_size() helper instead of an open-coded version in order to avoid any potential type mistakes. This code was detected with the help of Coccinelle and, audited and fixed manually. Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- net/sched/cls_u32.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)