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NFS: nfs_access_get_cached_rcu() should use cred_fscmp()

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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>
This commit is contained in:
Trond Myklebust 2020-01-26 17:31:14 -05:00 committed by Anna Schumaker
parent 3871224787
commit 9a206de2ea
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/dir.c
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@ -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;