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[1/8] NFSv4: Fix nfs4_return_incompatible_delegation

Message ID 20180320204320.93656-2-trond.myklebust@primarydata.com (mailing list archive)
State New, archived
Headers show

Commit Message

Trond Myklebust March 20, 2018, 8:43 p.m. UTC 
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>
---
 fs/nfs/nfs4proc.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox

Patch

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 47f3c273245e..75b8ea08e6f7 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -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) {