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| author | Karel Zak | 2019-07-17 12:11:38 +0200 |
|---|---|---|
| committer | Karel Zak | 2019-07-17 12:11:38 +0200 |
| commit | 7c643ed2855058657798d9e8e80701023de14a08 (patch) | |
| tree | b53be6c3afb4013f5b2fd2049640141c08adc463 /libfdisk/src/dos.c | |
| parent | build-sys: improve hwclock CMOS dependences (diff) | |
| download | kernel-qcow2-util-linux-7c643ed2855058657798d9e8e80701023de14a08.tar.gz kernel-qcow2-util-linux-7c643ed2855058657798d9e8e80701023de14a08.tar.xz kernel-qcow2-util-linux-7c643ed2855058657798d9e8e80701023de14a08.zip | |
libfdisk: don't use FAT as MBR
The current libfdisk MBR detection is too weak, the result is that it
reuses MBR from FAT. The correct behavior is to create a new MBR, wipe
first sector (on write) and warn about obsolete FAT superblock.
Reported-by: Mike Fleetwood <mike.fleetwood@googlemail.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'libfdisk/src/dos.c')
| -rw-r--r-- | libfdisk/src/dos.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libfdisk/src/dos.c b/libfdisk/src/dos.c index 6dc276e8a..bd964db15 100644 --- a/libfdisk/src/dos.c +++ b/libfdisk/src/dos.c @@ -814,6 +814,10 @@ static int dos_probe_label(struct fdisk_context *cxt) if (!mbr_is_valid_magic(cxt->firstsector)) return 0; + /* ignore disks with FAT */ + if (cxt->collision && strcmp(cxt->collision, "vfat") == 0) + return 0; + dos_init(cxt); get_partition_table_geometry(cxt, &h, &s); |