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authorChristoph Hellwig <hch@lst.de>2005-06-23 00:09:16 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-23 09:45:20 -0700
commit2fa389c5eb8c97d621653184d2adf5fdbd4a3167 (patch)
treea958e6ab570003e81b91df986492ca60fd247006
parent84de856ed30c568c2bb7b9ac0679772bd2737d9b (diff)
[PATCH] quota: sanitize dentry handling in vfs_quota_on_mount
Use lookup_one_len instead of opencoding a simplified lookup using lookup_hash with a fake hash. Also there's no need anymore for the d_invalidate as we have a completely valid dentry now. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--fs/dquot.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/fs/dquot.c b/fs/dquot.c
index 343c0365561..37212b039a4 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -1522,11 +1522,10 @@ out_path:
int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
int format_id, int type)
{
- struct qstr name = {.name = qf_name, .len = 0, .len = strlen(qf_name)};
struct dentry *dentry;
int error;
- dentry = lookup_hash(&name, sb->s_root);
+ dentry = lookup_one_len(qf_name, sb->s_root, strlen(qf_name));
if (IS_ERR(dentry))
return PTR_ERR(dentry);
@@ -1534,12 +1533,6 @@ int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
if (!error)
error = vfs_quota_on_inode(dentry->d_inode, type, format_id);
- /*
- * Now invalidate and put the dentry - quota got its own reference
- * to inode and dentry has at least wrong hash so we had better
- * throw it away.
- */
- d_invalidate(dentry);
dput(dentry);
return error;
}