From 44baaedaffee029dca76796b933412d97a19dff6 Mon Sep 17 00:00:00 2001 From: Karel Zak 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 --- 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