From a09baa9543ef1ced2cc7c171a055712ec8af62a3 Mon Sep 17 00:00:00 2001 From: Vasily Gorbik Date: Thu, 28 Jun 2018 13:33:35 +0200 Subject: s390/crypto: fix gcc 8 stringop-truncation warning Replace strncpy which is used to deliberately avoid string NUL-termination with memcpy. This allows to get rid of gcc 8 stringop-truncation warning: inlined from 'query_crypto_facility.constprop' at drivers/s390/crypto/pkey_api.c:702:2: ./include/linux/string.h:246:9: warning: '__builtin_strncpy' output truncated before terminating nul copying 8 bytes from a string of the same length [-Wstringop-truncation] Reviewed-by: Harald Freudenberger Signed-off-by: Vasily Gorbik Signed-off-by: Martin Schwidefsky --- drivers/s390/crypto/pkey_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/s390/crypto/pkey_api.c') diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c index 3929c8be8098..e663432395c1 100644 --- a/drivers/s390/crypto/pkey_api.c +++ b/drivers/s390/crypto/pkey_api.c @@ -699,7 +699,7 @@ static int query_crypto_facility(u16 cardnr, u16 domain, /* fill request cprb param block with FQ request */ preqparm = (struct fqreqparm *) preqcblk->req_parmb; memcpy(preqparm->subfunc_code, "FQ", 2); - strncpy(preqparm->rule_array, keyword, sizeof(preqparm->rule_array)); + memcpy(preqparm->rule_array, keyword, sizeof(preqparm->rule_array)); preqparm->rule_array_len = sizeof(preqparm->rule_array_len) + sizeof(preqparm->rule_array); preqparm->lv1.len = sizeof(preqparm->lv1); -- cgit v1.2.3-59-g8ed1b