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hfsplus: protect readdir against removals from open_dir_list

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We already have i_mutex for readdir and the namespace operations that add
entries to open_dir_list, the only thing that was missing was the removal
in hfsplus_dir_release.

Signed-off-by: Christoph Hellwig <hch@tuxera.com>
This commit is contained in:
Christoph Hellwig 2010-10-01 05:45:25 +02:00 committed by Christoph Hellwig
parent 84adede312
commit 89755dcace
1 changed files with 2 additions and 0 deletions
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fs/hfsplus/dir.c
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@ -231,7 +231,9 @@ static int hfsplus_dir_release(struct inode *inode, struct file *file)
{
struct hfsplus_readdir_data *rd = file->private_data;
if (rd) {
mutex_lock(&inode->i_mutex);
list_del(&rd->list);
mutex_unlock(&inode->i_mutex);
kfree(rd);
}
return 0;