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Btrfs: check return value of btrfs_alloc_path()
[pandora-kernel.git]
/
fs
/
partitions
/
ldm.c
diff --git
a/fs/partitions/ldm.c
b/fs/partitions/ldm.c
index
789c625
..
b10e354
100644
(file)
--- a/
fs/partitions/ldm.c
+++ b/
fs/partitions/ldm.c
@@
-251,6
+251,11
@@
static bool ldm_parse_vmdb (const u8 *data, struct vmdb *vm)
}
vm->vblk_size = get_unaligned_be32(data + 0x08);
+ if (vm->vblk_size == 0) {
+ ldm_error ("Illegal VBLK size");
+ return false;
+ }
+
vm->vblk_offset = get_unaligned_be32(data + 0x0C);
vm->last_vblk_seq = get_unaligned_be32(data + 0x04);