All of lore.kernel.org
 help / color / mirror / Atom feed
From: Eric Sandeen <sandeen@redhat.com>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@osdl.org>
Cc: Roman Zippel <zippel@linux-m68k.org>, Adrian Bunk <bunk@stusta.de>
Subject: [PATCH] hfs: fix coverity-found null deref
Date: Mon, 14 Jan 2008 15:35:06 -0600	[thread overview]
Message-ID: <478BD58A.705@redhat.com> (raw)
In-Reply-To: <478BD0D8.8070101@redhat.com>

Fix potential null deref introduced by commit
cf0594625083111ae522496dc1c256f7476939c2
http://bugzilla.kernel.org/show_bug.cgi?id=9748

Signed-off-by: Eric Sandeen <sandeen@redhat.com>

---

Index: linux-2.6.24-rc6-mm1/fs/hfs/btree.c
===================================================================
--- linux-2.6.24-rc6-mm1.orig/fs/hfs/btree.c
+++ linux-2.6.24-rc6-mm1/fs/hfs/btree.c
@@ -61,7 +61,7 @@ struct hfs_btree *hfs_btree_open(struct 
 	mapping = tree->inode->i_mapping;
 	page = read_mapping_page(mapping, 0, NULL);
 	if (IS_ERR(page))
-		goto free_tree;
+		goto free_inode;
 
 	/* Load the header */
 	head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc));
@@ -107,11 +107,12 @@ struct hfs_btree *hfs_btree_open(struct 
 	page_cache_release(page);
 	return tree;
 
- fail_page:
+fail_page:
 	page_cache_release(page);
- free_tree:
+free_inode:
 	tree->inode->i_mapping->a_ops = &hfs_aops;
 	iput(tree->inode);
+free_tree:
 	kfree(tree);
 	return NULL;
 }


  reply	other threads:[~2008-01-14 21:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-14 21:15 [PATCH] address hfs on-disk corruption robustness review comments Eric Sandeen
2008-01-14 21:35 ` Eric Sandeen [this message]
2008-01-14 23:16 ` Andrew Morton
2008-01-14 23:25   ` Eric Sandeen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=478BD58A.705@redhat.com \
    --to=sandeen@redhat.com \
    --cc=akpm@osdl.org \
    --cc=bunk@stusta.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=zippel@linux-m68k.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.