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authorVasily Gorbik <gor@linux.ibm.com>2018-06-17 13:18:56 +0300
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-07-02 12:24:53 +0300
commit4e0f5e916f7f4623b312e4fcf9f9fe45c4bea290 (patch)
tree244efbb9e77204c3dc7789f7c47d18cc309d8c4f /drivers/s390/block
parentc6756b7d0c5d57233c985dd1e50ce7b33a15ce6b (diff)
downloadlinux-4e0f5e916f7f4623b312e4fcf9f9fe45c4bea290.tar.xz
s390/dasd: fix gcc 8 stringop-truncation warning
drivers/s390/block/dasd_alias.c:711:2: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation] strncpy((char *) &cqr->magic, "ECKD", 4); Replace strncpy to int as a buffer with memcpy. Acked-by: Stefan Haberland <sth@linux.ibm.com> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/block')
-rw-r--r--drivers/s390/block/dasd_alias.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index e36a114354fc..b9ce93e9df89 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -708,7 +708,7 @@ static int reset_summary_unit_check(struct alias_lcu *lcu,
struct ccw1 *ccw;
cqr = lcu->rsu_cqr;
- strncpy((char *) &cqr->magic, "ECKD", 4);
+ memcpy((char *) &cqr->magic, "ECKD", 4);
ASCEBC((char *) &cqr->magic, 4);
ccw = cqr->cpaddr;
ccw->cmd_code = DASD_ECKD_CCW_RSCK;