---

yaml --- r: 262110 b: refs/heads/master c: d462031 h: refs/heads/master v: v3
git-mirror · Jul 18, 2011 · 473d7d1 · 473d7d1
1 parent a1c2173
commit 473d7d1
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Showing 2 changed files with 11 additions and 9 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 015861badd0db43d025bbb538f8fc62dfaf3f18d
+refs/heads/master: d46203159ed376fdbe2b05aa57e58207bf27a8f9
diff --git a/trunk/fs/ext4/extents.c b/trunk/fs/ext4/extents.c
@@ -741,6 +741,16 @@ static int ext4_ext_insert_index(handle_t *handle, struct inode *inode,
 				 logical, le32_to_cpu(curp->p_idx->ei_block));
 		return -EIO;
 	}
+
+	if (unlikely(le16_to_cpu(curp->p_hdr->eh_entries)
+			     >= le16_to_cpu(curp->p_hdr->eh_max))) {
+		EXT4_ERROR_INODE(inode,
+				 "eh_entries %d >= eh_max %d!",
+				 le16_to_cpu(curp->p_hdr->eh_entries),
+				 le16_to_cpu(curp->p_hdr->eh_max));
+		return -EIO;
+	}
+
 	len = EXT_MAX_INDEX(curp->p_hdr) - curp->p_idx;
 	if (logical > le32_to_cpu(curp->p_idx->ei_block)) {
 		/* insert after */
@@ -770,14 +780,6 @@ static int ext4_ext_insert_index(handle_t *handle, struct inode *inode,
 	ext4_idx_store_pblock(ix, ptr);
 	le16_add_cpu(&curp->p_hdr->eh_entries, 1);
 
-	if (unlikely(le16_to_cpu(curp->p_hdr->eh_entries)
-			     > le16_to_cpu(curp->p_hdr->eh_max))) {
-		EXT4_ERROR_INODE(inode,
-				 "eh_entries %d > eh_max %d!",
-				 le16_to_cpu(curp->p_hdr->eh_entries),
-				 le16_to_cpu(curp->p_hdr->eh_max));
-		return -EIO;
-	}
 	if (unlikely(ix > EXT_LAST_INDEX(curp->p_hdr))) {
 		EXT4_ERROR_INODE(inode, "ix > EXT_LAST_INDEX!");
 		return -EIO;