[PATCH 2/6] e100: Cocci spatch "pool_zalloc-simple"

From: Thomas Meyer
Date: Thu Sep 21 2017 - 02:24:58 EST


Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0.
Found by coccinelle spatch "api/alloc/pool_zalloc-simple.cocci"

Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
---

diff -u -p a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -1910,11 +1910,10 @@ static int e100_alloc_cbs(struct nic *ni
nic->cb_to_use = nic->cb_to_send = nic->cb_to_clean = NULL;
nic->cbs_avail = 0;

- nic->cbs = pci_pool_alloc(nic->cbs_pool, GFP_KERNEL,
- &nic->cbs_dma_addr);
+ nic->cbs = pci_pool_zalloc(nic->cbs_pool, GFP_KERNEL,
+ &nic->cbs_dma_addr);
if (!nic->cbs)
return -ENOMEM;
- memset(nic->cbs, 0, count * sizeof(struct cb));

for (cb = nic->cbs, i = 0; i < count; cb++, i++) {
cb->next = (i + 1 < count) ? cb + 1 : nic->cbs;