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authorIngo Molnar <mingo@kernel.org>2013-10-29 11:23:32 +0100
committerIngo Molnar <mingo@kernel.org>2013-10-29 11:23:32 +0100
commitaac898548d04c7bff179b79f805874b0d6f87571 (patch)
treee8de975fd5de6c95bf4329861a872dbcfe0c7ead /block/partitions/efi.c
parent2f5e98802350627ad6f2e3cee4d177059fc0c2f2 (diff)
parentcd65718712469ad844467250e8fad20a5838baae (diff)
Merge branch 'perf/urgent' into perf/core
Conflicts: tools/perf/builtin-record.c tools/perf/builtin-top.c tools/perf/util/hist.h
Diffstat (limited to 'block/partitions/efi.c')
-rw-r--r--block/partitions/efi.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/block/partitions/efi.c b/block/partitions/efi.c
index 1eb09ee5311b..a8287b49d062 100644
--- a/block/partitions/efi.c
+++ b/block/partitions/efi.c
@@ -222,11 +222,16 @@ check_hybrid:
* the disk size.
*
* Hybrid MBRs do not necessarily comply with this.
+ *
+ * Consider a bad value here to be a warning to support dd'ing
+ * an image from a smaller disk to a larger disk.
*/
if (ret == GPT_MBR_PROTECTIVE) {
sz = le32_to_cpu(mbr->partition_record[part].size_in_lba);
if (sz != (uint32_t) total_sectors - 1 && sz != 0xFFFFFFFF)
- ret = 0;
+ pr_debug("GPT: mbr size in lba (%u) different than whole disk (%u).\n",
+ sz, min_t(uint32_t,
+ total_sectors - 1, 0xFFFFFFFF));
}
done:
return ret;