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-rw-r--r--fs/nfs/nfs4proc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 982b4527551d..9da4bd55eb30 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2184,6 +2184,13 @@ static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
err = _nfs4_do_setattr(inode, cred, fattr, sattr, state);
switch (err) {
case -NFS4ERR_OPENMODE:
+ if (!(sattr->ia_valid & ATTR_SIZE)) {
+ pr_warn_once("NFSv4: server %s is incorrectly "
+ "applying open mode checks to "
+ "a SETATTR that is not "
+ "changing file size.\n",
+ server->nfs_client->cl_hostname);
+ }
if (state && !(state->state & FMODE_WRITE)) {
err = -EBADF;
if (sattr->ia_valid & ATTR_OPEN)