libcxgb: replace vmalloc and memset with vzalloc

Use vzalloc instead of the vmalloc, memset combo

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c
index 0ed1616..74849be 100644 (file)
--- a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c
+++ b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c
@@ -412,12 +412,10 @@ int cxgbi_ppm_init(void **ppm_pp, struct net_device *ndev,
                        ppmax * (sizeof(struct cxgbi_ppod_data)) +
                        ppod_bmap_size * sizeof(unsigned long);
 
-       ppm = vmalloc(alloc_sz);
+       ppm = vzalloc(alloc_sz);
        if (!ppm)
                goto release_ppm_pool;
 
-       memset(ppm, 0, alloc_sz);
-
        ppm->ppod_bmap = (unsigned long *)(&ppm->ppod_data[ppmax]);
 
        if ((ppod_bmap_size >> 3) > (ppmax - ppmax_pool)) {