fix error reported by coverity - Integer overflowed argument
also, add print incase of invalid read count to get more debug
information.
Signed-off-by: Vivek Trivedi <t.vivek@xxxxxxxxxxx>
---
mdrestore/xfs_mdrestore.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/mdrestore/xfs_mdrestore.c b/mdrestore/xfs_mdrestore.c
index 5764616..a87a091 100644
--- a/mdrestore/xfs_mdrestore.c
+++ b/mdrestore/xfs_mdrestore.c
@@ -93,6 +93,10 @@ perform_restore(
block_index = (__be64 *)((char *)metablock + sizeof(xfs_metablock_t));
block_buffer = (char *)metablock + block_size;
+ if (block_size < sizeof(tmb))
+ fatal("bad read count, block_size: %d, tmb size %d\n",
+ block_size, sizeof(tmb));
+
if (fread(block_index, block_size - sizeof(tmb), 1, src_f) != 1)
fatal("error reading from file: %s\n", strerror(errno));
--
1.7.9.5
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