* [PATCH] s390/pkey: fix kzalloc-simple.cocci warnings
@ 2017-10-11 19:52 Vasyl Gomonovych
2017-10-13 6:36 ` Harald Freudenberger
0 siblings, 1 reply; 2+ messages in thread
From: Vasyl Gomonovych @ 2017-10-11 19:52 UTC (permalink / raw)
To: linux-s390, linux-kernel; +Cc: freude, schwidefsky, heiko.carstens, gomonovych
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] s390/pkey: fix kzalloc-simple.cocci warnings
2017-10-11 19:52 [PATCH] s390/pkey: fix kzalloc-simple.cocci warnings Vasyl Gomonovych
@ 2017-10-13 6:36 ` Harald Freudenberger
0 siblings, 0 replies; 2+ messages in thread
From: Harald Freudenberger @ 2017-10-13 6:36 UTC (permalink / raw)
To: Vasyl Gomonovych, linux-s390, linux-kernel
Cc: freude, schwidefsky, heiko.carstens
On 10/11/2017 09:52 PM, Vasyl Gomonovych wrote:
> 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);
applied, will be available with the next merge window.
Thanks
^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-10-13 6:36 ` Harald Freudenberger
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