Commit f5086242 authored Mar 20, 2018 by Trond Myklebust Committed by Anna Schumaker Apr 10, 2018

NFSv4: Fix nfs4_return_incompatible_delegation



The 'fmode' argument can take an FMODE_EXEC value, which we want to
filter out before comparing to the delegation type.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

parent 25524288

fs/nfs/nfs4proc.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1669,6 +1669,7 @@ static void nfs4_return_incompatible_delegation(struct inode *inode, fmode_t fmo
		{
		struct nfs_delegation *delegation;

		fmode &= FMODE_READ\|FMODE_WRITE;
		rcu_read_lock();
		delegation = rcu_dereference(NFS_I(inode)->delegation);
		if (delegation == NULL \|\| (delegation->type & fmode) == fmode) {