[PATCH -next] s390/zcrypt: fix kzalloc-simple.cocci warnings
From: Zou Wei
Date: Tue Apr 21 2020 - 08:29:44 EST
This patch fixes below warning reported by coccicheck
drivers/s390/crypto/zcrypt_ep11misc.c:198:8-15: WARNING:
kzalloc should be used for cprb, instead of kmalloc/memset
Fixes: 7384eb725e2d ("s390/zcrypt: add new low level ep11 functions support file")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Zou Wei <zou_wei@xxxxxxxxxx>
---
drivers/s390/crypto/zcrypt_ep11misc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/s390/crypto/zcrypt_ep11misc.c b/drivers/s390/crypto/zcrypt_ep11misc.c
index 004ce02..3c3d403 100644
--- a/drivers/s390/crypto/zcrypt_ep11misc.c
+++ b/drivers/s390/crypto/zcrypt_ep11misc.c
@@ -195,11 +195,10 @@ static inline struct ep11_cprb *alloc_cprb(size_t payload_len)
size_t len = sizeof(struct ep11_cprb) + payload_len;
struct ep11_cprb *cprb;
- cprb = kmalloc(len, GFP_KERNEL);
+ cprb = kzalloc(len, GFP_KERNEL);
if (!cprb)
return NULL;
- memset(cprb, 0, len);
cprb->cprb_len = sizeof(struct ep11_cprb);
cprb->cprb_ver_id = 0x04;
memcpy(cprb->func_id, "T4", 2);
--
2.6.2