mdadm/0022-super-ddf-Fix-gcc-8.1-overflow-warnings.patch
Xiao Ni 245f9b044a Update to upstream 4.1-rc1
Now there are some patches after 4.1-rc1 and include them in this time
too. So we update to latest upstream version this time.

Resolves: bz1556591

Signed-off-by: Xiao Ni <xni@redhat.com>
2018-07-09 18:26:21 +08:00

33 lines
1.0 KiB
Diff

From 002a5978f015a77ecc48487006b1030f9dbe1394 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <jsorensen@fb.com>
Date: Thu, 31 May 2018 16:07:33 -0400
Subject: [RHEL7.5 PATCH 22/26] super-ddf: Fix gcc-8.1 overflow warnings
Cast to types that are big enough to hold the values, but also guarantee
no overflow of the buffer keepts gcc happy.
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---
super-ddf.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/super-ddf.c b/super-ddf.c
index d02a19a..618542c 100644
--- a/super-ddf.c
+++ b/super-ddf.c
@@ -2881,8 +2881,9 @@ static int add_to_super_ddf(struct supertype *st,
dd->disk.magic = DDF_PHYS_DATA_MAGIC;
now = time(0);
tm = localtime(&now);
- sprintf(dd->disk.guid, "%8s%04d%02d%02d",
- T10, tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday);
+ sprintf(dd->disk.guid, "%8s%04d%02d%02d", T10,
+ (__u16)tm->tm_year+1900,
+ (__u8)tm->tm_mon+1, (__u8)tm->tm_mday);
tptr = (__u32 *)(dd->disk.guid + 16);
*tptr++ = random32();
*tptr = random32();
--
2.7.4