From: Dan Carpenter <error27@gmail.com>
To: linux-btrfs@vger.kernel.org
Cc: Yan Zheng <zheng.yan@oracle.com>, Josef Bacik <josef@redhat.com>,
Sage Weil <sage@newdream.net>,
Chris Mason <chris.mason@oracle.com>,
kernel-janitors@vger.kernel.org
Subject: [patch 8/11] btrfs: btrfs_lookup_dir_item() can return ERR_PTR
Date: Sat, 29 May 2010 09:47:24 +0000 [thread overview]
Message-ID: <20100529094724.GI5483@bicker> (raw)
btrfs_lookup_dir_item() can return either ERR_PTRs or null.
Signed-off-by: Dan Carpenter <error27@gmail.com>
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 9f9a1d9..4dbaf89 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1845,7 +1845,7 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp)
dir_id = btrfs_super_root_dir(&root->fs_info->super_copy);
di = btrfs_lookup_dir_item(trans, root->fs_info->tree_root, path,
dir_id, "default", 7, 1);
- if (!di) {
+ if (IS_ERR_OR_NULL(di)) {
btrfs_free_path(path);
btrfs_end_transaction(trans, root);
printk(KERN_ERR "Umm, you don't have the default dir item, "
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <error27@gmail.com>
To: linux-btrfs@vger.kernel.org
Cc: Yan Zheng <zheng.yan@oracle.com>, Josef Bacik <josef@redhat.com>,
Sage Weil <sage@newdream.net>,
Chris Mason <chris.mason@oracle.com>,
kernel-janitors@vger.kernel.org
Subject: [patch 8/11] btrfs: btrfs_lookup_dir_item() can return ERR_PTR
Date: Sat, 29 May 2010 11:47:24 +0200 [thread overview]
Message-ID: <20100529094724.GI5483@bicker> (raw)
btrfs_lookup_dir_item() can return either ERR_PTRs or null.
Signed-off-by: Dan Carpenter <error27@gmail.com>
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 9f9a1d9..4dbaf89 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1845,7 +1845,7 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp)
dir_id = btrfs_super_root_dir(&root->fs_info->super_copy);
di = btrfs_lookup_dir_item(trans, root->fs_info->tree_root, path,
dir_id, "default", 7, 1);
- if (!di) {
+ if (IS_ERR_OR_NULL(di)) {
btrfs_free_path(path);
btrfs_end_transaction(trans, root);
printk(KERN_ERR "Umm, you don't have the default dir item, "
next reply other threads:[~2010-05-29 9:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-29 9:47 Dan Carpenter [this message]
2010-05-29 9:47 ` [patch 8/11] btrfs: btrfs_lookup_dir_item() can return ERR_PTR Dan Carpenter
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