From f44106e2173f08ccb1c9195d85a6c22388b461c1 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Mon, 23 Jul 2012 15:49:56 -0400 Subject: [PATCH] nfs: fix fl_type tests in NFSv4 code fl_type is not a bitmap. Reported-by: Al Viro Signed-off-by: Jeff Layton Signed-off-by: Trond Myklebust --- fs/nfs/nfs4proc.c | 2 +- fs/nfs/nfs4xdr.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 5e373c3..6843e0a 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4885,7 +4885,7 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request) * Don't rely on the VFS having checked the file open mode, * since it won't do this for flock() locks. */ - switch (request->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) { + switch (request->fl_type) { case F_RDLCK: if (!(filp->f_mode & FMODE_READ)) return -EBADF; diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 610ebcc..6cbd602 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -1236,7 +1236,7 @@ static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct static inline int nfs4_lock_type(struct file_lock *fl, int block) { - if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) + if (fl->fl_type == F_RDLCK) return block ? NFS4_READW_LT : NFS4_READ_LT; return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; } -- 2.7.4