[PATCH] s390/pkey: fix kzalloc-simple.cocci warnings

Vasyl Gomonovych
2017-10-11T19:52:46Z

drivers/s390/crypto/pkey_api.c:128:11-18: WARNING: kzalloc should be used for cprbmem, instead of kmalloc/memset

Use kzalloc rather than kmalloc followed by memset with 0

Generated by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci

Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
---
drivers/s390/crypto/pkey_api.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c
index f61fa47..8dda5bb 100644
--- a/drivers/s390/crypto/pkey_api.c
+++ b/drivers/s390/crypto/pkey_api.c
@@ -125,10 +125,9 @@ static int alloc_and_prep_cprbmem(size_t paramblen,
* allocate consecutive memory for request CPRB, request param
* block, reply CPRB and reply param block
*/
- cprbmem = kmalloc(2 * cprbplusparamblen, GFP_KERNEL);
+ cprbmem = kzalloc(2 * cprbplusparamblen, GFP_KERNEL);
if (!cprbmem)
return -ENOMEM;
- memset(cprbmem, 0, 2 * cprbplusparamblen);

preqcblk = (struct CPRBX *) cprbmem;
prepcblk = (struct CPRBX *) (cprbmem + cprbplusparamblen);
--
1.9.1