From 44baaedaffee029dca76796b933412d97a19dff6 Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Mon, 9 Sep 2013 10:57:50 +0200
Subject: [PATCH] libfdisk: fix SIGFPE
#0 recount_geometry at libfdisk/src/alignment.c:143
#1 fdisk_discover_geometry at libfdisk/src/alignment.c:205
#2 fdisk_context_assign_device at libfdisk/src/context.c:173
#3 print_partition_table_from_option at fdisks/fdisk.c:924
References: https://bugzilla.redhat.com/show_bug.cgi?id=1005566
Signed-off-by: Karel Zak <kzak@redhat.com>
---
libfdisk/src/alignment.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/libfdisk/src/alignment.c b/libfdisk/src/alignment.c
index ac44e73..4d4ab48 100644
--- a/libfdisk/src/alignment.c
+++ b/libfdisk/src/alignment.c
@@ -193,11 +193,12 @@ int fdisk_discover_geometry(struct fdisk_context *cxt)
/* what the kernel/bios thinks the geometry is */
blkdev_get_geometry(cxt->dev_fd, &h, &s);
- if (!h && !s) {
- /* unable to discover geometry, use default values */
- s = 63;
+
+ /* defaults */
+ if (!h)
h = 255;
- }
+ if (!s)
+ s = 63;
/* obtained heads and sectors */
cxt->geom.heads = h;
--
1.8.1.4