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Btrfs: check return value for kthread_run() correctly

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kthread_run() returns the kthread or ERR_PTR(-ENOMEM), not NULL.

Signed-off-by: Qinghuang Feng <qhfeng.kernel@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Qinghuang Feng 2009-01-21 10:49:16 -05:00 committed by Chris Mason
parent 119e10cf1b
commit 57506d50ed
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/disk-io.c
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@ -1739,13 +1739,13 @@ struct btrfs_root *open_ctree(struct super_block *sb,
fs_info->system_alloc_profile = fs_info->metadata_alloc_profile;
fs_info->cleaner_kthread = kthread_run(cleaner_kthread, tree_root,
"btrfs-cleaner");
if (!fs_info->cleaner_kthread)
if (IS_ERR(fs_info->cleaner_kthread))
goto fail_csum_root;
fs_info->transaction_kthread = kthread_run(transaction_kthread,
tree_root,
"btrfs-transaction");
if (!fs_info->transaction_kthread)
if (IS_ERR(fs_info->transaction_kthread))
goto fail_cleaner;
if (btrfs_super_log_root(disk_super) != 0) {