Commit 9a206de2 authored Jan 26, 2020 by Trond Myklebust Committed by Anna Schumaker Feb 03, 2020

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: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna 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;

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