Commit 40e6aa10 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4: nfs4_return_incompatible_delegation() should check delegation validity 



Ensure that we check that the delegation is valid in
nfs4_return_incompatible_delegation() before we try to return it.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent 1deed572

fs/nfs/nfs4proc.c

+1 −1
Original line number Diff line number Diff line
@@ -1796,7 +1796,7 @@ static void nfs4_return_incompatible_delegation(struct inode *inode, fmode_t fmo 


	fmode &= FMODE_READ|FMODE_WRITE;

	rcu_read_lock();

	delegation = rcu_dereference(NFS_I(inode)->delegation);

	delegation = nfs4_get_valid_delegation(inode);

	if (delegation == NULL || (delegation->type & fmode) == fmode) {

		rcu_read_unlock();

		return;