e2fsprogs/e2fsprogs-probe_reiserfs-fpe.patch

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--- lib/blkid/probe.c
+++ lib/blkid/probe.c
@@ -422,7 +422,7 @@
blocksize = blkid_le16(rs->rs_blocksize);
/* If the superblock is inside the journal, we have the wrong one */
- if (id->bim_kboff/(blocksize>>10) > blkid_le32(rs->rs_journal_block))
+ if ((blocksize>>10) && id->bim_kboff/(blocksize>>10) > blkid_le32(rs->rs_journal_block))
return -BLKID_ERR_BIG;
/* LABEL/UUID are only valid for later versions of Reiserfs v3.6. */