[patch 3/8] s390: use kzfree()

From: Johannes Weiner
Date: Mon Feb 16 2009 - 10:05:51 EST


Use kzfree() instead of memset() + kfree().

Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
---
arch/s390/crypto/prng.c | 3 +--
drivers/s390/crypto/zcrypt_pcixcc.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)

--- a/arch/s390/crypto/prng.c
+++ b/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);
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/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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