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ceph: fix memory leak due to possible dentry init race

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Free dentry_info in error path.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-04-23 11:36:54 -07:00
parent 559c1e0073
commit 8c6efb58a5
1 changed files with 4 additions and 1 deletions
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5
fs/ceph/dir.c
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@ -51,8 +51,11 @@ int ceph_init_dentry(struct dentry *dentry)
return -ENOMEM; /* oh well */
spin_lock(&dentry->d_lock);
if (dentry->d_fsdata) /* lost a race */
if (dentry->d_fsdata) {
/* lost a race */
kmem_cache_free(ceph_dentry_cachep, di);
goto out_unlock;
}
di->dentry = dentry;
di->lease_session = NULL;
dentry->d_fsdata = di;