From: Johannes Weiner <hannes@xxxxxxxxxxx>
Use kzfree() instead of memset() + kfree().
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Reviewed-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/s390/crypto/prng.c | 3 +--
drivers/s390/crypto/zcrypt_pcixcc.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)
diff -puN arch/s390/crypto/prng.c~s390-use-kzfree arch/s390/crypto/prng.c
--- a/arch/s390/crypto/prng.c~s390-use-kzfree
+++ a/arch/s390/crypto/prng.c
@@ -201,8 +201,7 @@ out_free:
static void __exit prng_exit(void)
{
/* wipe me */
- memset(p->buf, 0, prng_chunk_size);
- kfree(p->buf);
+ kzfree(p->buf);
kfree(p);
misc_deregister(&prng_dev);
diff -puN drivers/s390/crypto/zcrypt_pcixcc.c~s390-use-kzfree drivers/s390/crypto/zcrypt_pcixcc.c
--- a/drivers/s390/crypto/zcrypt_pcixcc.c~s390-use-kzfree
+++ a/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -781,8 +781,7 @@ static long zcrypt_pcixcc_send_cprb(stru
/* Signal pending. */
ap_cancel_message(zdev->ap_dev, &ap_msg);
out_free:
- memset(ap_msg.message, 0x0, ap_msg.length);
- kfree(ap_msg.message);
+ kzfree(ap_msg.message);
return rc;
}
_
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