[PATCH] s390: ensure NUL termination by strncpy()

[Roel Kluin <roel.kluin@gmail.com>]

For a larger source string, strncpy only NUL terminates when
the size argument is less than the size of the destination string.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
 arch/s390/kernel/ipl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

Is this maybe needed?

diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 4890ac6..d52fcb4 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -1881,7 +1881,7 @@ void __init setup_ipl(void)
 		break;
 	case IPL_TYPE_NSS:
 		strncpy(ipl_info.data.nss.name, kernel_nss_name,
-			sizeof(ipl_info.data.nss.name));
+			sizeof(ipl_info.data.nss.name) - 1);
 		break;
 	case IPL_TYPE_UNKNOWN:
 		/* We have no info to copy */