As write_filehandle can't accept zero-bytes writting,
remove read permission of /proc/fs/nfsd/filehandle
Signed-off-by: Chen Hanxiao <chenhx.fnst@xxxxxxxxxxx>
---
fs/nfsd/nfsctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index ecd18bffeebc..da1387f1e30a 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1346,7 +1346,7 @@ static int nfsd_fill_super(struct super_block *sb, struct fs_context *fc)
&transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_FO_UnlockFS] = {"unlock_filesystem",
&transaction_ops, S_IWUSR|S_IRUSR},
- [NFSD_Fh] = {"filehandle", &transaction_ops, S_IWUSR|S_IRUSR},
+ [NFSD_Fh] = {"filehandle", &transaction_ops, S_IWUSR},
[NFSD_Threads] = {"threads", &transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_Pool_Threads] = {"pool_threads", &transaction_ops, S_IWUSR|S_IRUSR},
[NFSD_Pool_Stats] = {"pool_stats", &pool_stats_operations, S_IRUGO},
--
2.39.1
