From: Trond Myklebust <trond.myklebust@hammerspace.com>
Date: Fri, 29 Aug 2025 16:15:12 +0000 (-0700)
Subject: NFSv4: Clear the NFS_CAP_XATTR flag if not supported by the server
X-Git-Tag: v6.17-rc6~23^2~14
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4fb2b677fc1f70ee642c0beecc3cabf226ef5707;p=thirdparty%2Fkernel%2Fstable.git

NFSv4: Clear the NFS_CAP_XATTR flag if not supported by the server

nfs_server_set_fsinfo() shouldn't assume that NFS_CAP_XATTR is unset
on entry to the function.

Fixes: b78ef845c35d ("NFSv4.2: query the server for extended attribute support")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 8fb4a950dd558..4e3dcc157a83c 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -888,6 +888,8 @@ static void nfs_server_set_fsinfo(struct nfs_server *server,
 
 	if (fsinfo->xattr_support)
 		server->caps |= NFS_CAP_XATTR;
+	else
+		server->caps &= ~NFS_CAP_XATTR;
 #endif
 }