Commit 9a206de2 authored by Trond Myklebust's avatar Trond Myklebust Committed by Anna Schumaker
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NFS: nfs_access_get_cached_rcu() should use cred_fscmp() 



We do not need to have the rcu lookup method fail in the case where
the fsuid/fsgid and supplemental groups match.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 38712247

fs/nfs/dir.c

+1 −1
Original line number Diff line number Diff line
@@ -2360,7 +2360,7 @@ static int nfs_access_get_cached_rcu(struct inode *inode, const struct cred *cre 
	lh = rcu_dereference(nfsi->access_cache_entry_lru.prev);

	cache = list_entry(lh, struct nfs_access_entry, lru);

	if (lh == &nfsi->access_cache_entry_lru ||

	    cred != cache->cred)

	    cred_fscmp(cred, cache->cred) != 0)

		cache = NULL;

	if (cache == NULL)

		goto out;