diff mbox series

[-next] KEYS: trusted: Switch to kmemdup_nul()

Message ID 20210412160022.193460-1-weiyongjun1@huawei.com (mailing list archive)
State New
Headers show
Series [-next] KEYS: trusted: Switch to kmemdup_nul() | expand

Commit Message

weiyongjun (A) April 12, 2021, 4 p.m. UTC
Use kmemdup_nul() helper instead of open-coding to
simplify the code.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 security/keys/trusted-keys/trusted_core.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/security/keys/trusted-keys/trusted_core.c b/security/keys/trusted-keys/trusted_core.c
index ec3a066a4b42..9430cba1f084 100644
--- a/security/keys/trusted-keys/trusted_core.c
+++ b/security/keys/trusted-keys/trusted_core.c
@@ -146,11 +146,9 @@  static int trusted_instantiate(struct key *key,
 	if (datalen <= 0 || datalen > 32767 || !prep->data)
 		return -EINVAL;
 
-	datablob = kmalloc(datalen + 1, GFP_KERNEL);
+	datablob = kmemdup_nul(prep->data, datalen, GFP_KERNEL);
 	if (!datablob)
 		return -ENOMEM;
-	memcpy(datablob, prep->data, datalen);
-	datablob[datalen] = '\0';
 
 	payload = trusted_payload_alloc(key);
 	if (!payload) {