---

yaml --- r: 359013 b: refs/heads/master c: 8d8759e h: refs/heads/master i: 359011: 6eaf2e9 v: v3
git-mirror · Jan 21, 2013 · c45c58a · c45c58a
1 parent b7552af
commit c45c58a
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f56426ae4d4414c9c996567710dceecbdfc39acc
+refs/heads/master: 8d8759eb488f9e88fa5f976c4fd7ed205661c872
diff --git a/trunk/fs/ext2/inode.c b/trunk/fs/ext2/inode.c
@@ -495,6 +495,10 @@ static int ext2_alloc_branch(struct inode *inode,
 		 * parent to disk.
 		 */
 		bh = sb_getblk(inode->i_sb, new_blocks[n-1]);
+		if (unlikely(!bh)) {
+			err = -ENOMEM;
+			goto failed;
+		}
 		branch[n].bh = bh;
 		lock_buffer(bh);
 		memset(bh->b_data, 0, blocksize);
@@ -523,6 +527,14 @@ static int ext2_alloc_branch(struct inode *inode,
 	}
 	*blks = num;
 	return err;
+
+failed:
+	for (i = 1; i < n; i++)
+		bforget(branch[i].bh);
+	for (i = 0; i < indirect_blks; i++)
+		ext2_free_blocks(inode, new_blocks[i], 1);
+	ext2_free_blocks(inode, new_blocks[i], num);
+	return err;
 }
 
 /**