From: Himanshu Jha <himanshujha199640@gmail.com>
Date: Sun, 31 Dec 2017 17:57:29 +0530
Subject: liquidio: Use zeroing memory allocator than allocator/memset
Patch-mainline: v4.16-rc1
Git-commit: 72bca2084a21edda74b802bc076083d5951f67b4
References: bsc#1119406 FATE#326562

Use vzalloc for allocating zeroed memory and remove unnecessary
memset function.

Done using Coccinelle.
Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
0-day tested with no failures.

Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/cavium/liquidio/octeon_device.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

--- a/drivers/net/ethernet/cavium/liquidio/octeon_device.c
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.c
@@ -702,12 +702,10 @@ static struct octeon_device *octeon_allo
 	size = octdevsize + priv_size + configsize +
 		(sizeof(struct octeon_dispatch) * DISPATCH_LIST_SIZE);
 
-	buf = vmalloc(size);
+	buf = vzalloc(size);
 	if (!buf)
 		return NULL;
 
-	memset(buf, 0, size);
-
 	oct = (struct octeon_device *)buf;
 	oct->priv = (void *)(buf + octdevsize);
 	oct->chip = (void *)(buf + octdevsize + priv_size);
@@ -840,10 +838,9 @@ octeon_allocate_ioq_vector(struct octeon
 
 	size = sizeof(struct octeon_ioq_vector) * num_ioqs;
 
-	oct->ioq_vector = vmalloc(size);
+	oct->ioq_vector = vzalloc(size);
 	if (!oct->ioq_vector)
 		return 1;
-	memset(oct->ioq_vector, 0, size);
 	for (i = 0; i < num_ioqs; i++) {
 		ioq_vector		= &oct->ioq_vector[i];
 		ioq_vector->oct_dev	= oct;