In retrieve_status(), when copying the target type name in the target_type string field of struct dm_target_spec, copy at most DM_MAX_TYPE_NAME - 1 character to avoid the compilation warning: warning: ‘__builtin_strncpy’ specified bound 16 equals destination size [-Wstringop-truncation] when compiling with W-1. Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx> --- drivers/md/dm-ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 489935d5f22d..5792878dbff6 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1168,7 +1168,7 @@ static void retrieve_status(struct dm_table *table, spec->sector_start = ti->begin; spec->length = ti->len; strncpy(spec->target_type, ti->type->name, - sizeof(spec->target_type)); + sizeof(spec->target_type) - 1); outptr += sizeof(struct dm_target_spec); remaining = len - (outptr - outbuf); -- 2.26.2 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
