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nfs_lookup: don't bother with d_instantiate(dentry, NULL) 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2016-03-07 22:40:43 -05:00
parent 9d95afd597
commit 130f9ab75d
1 changed files with 4 additions and 8 deletions
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12
fs/nfs/dir.c
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@ -1360,19 +1360,15 @@ struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, unsigned in
dfprintk(VFS, "NFS: lookup(%pd2)\n", dentry);
nfs_inc_stats(dir, NFSIOS_VFSLOOKUP);
res = ERR_PTR(-ENAMETOOLONG);
if (dentry->d_name.len > NFS_SERVER(dir)->namelen)
goto out;
if (unlikely(dentry->d_name.len > NFS_SERVER(dir)->namelen))
return ERR_PTR(-ENAMETOOLONG);
/*
* If we're doing an exclusive create, optimize away the lookup
* but don't hash the dentry.
*/
if (nfs_is_exclusive_create(dir, flags)) {
d_instantiate(dentry, NULL);
res = NULL;
goto out;
}
if (nfs_is_exclusive_create(dir, flags))
return NULL;
res = ERR_PTR(-ENOMEM);
fhandle = nfs_alloc_fhandle();