From: fanyong <fanyong>
Date: Tue, 20 May 2008 01:59:10 +0000 (+0000)
Subject: Branch HEAD
X-Git-Tag: v1_9_50~470
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=0582f22ff1e7af274a77548725ed66d559721e5e;p=fs%2Flustre-release.git

Branch HEAD
b=15828
i=adilger
i=umka

return "-EIO" when write to read only proc interface which "write_proc" is NULL.
---

diff --git a/lustre/obdclass/lprocfs_status.c b/lustre/obdclass/lprocfs_status.c
index 608af88..afb48f0 100644
--- a/lustre/obdclass/lprocfs_status.c
+++ b/lustre/obdclass/lprocfs_status.c
@@ -183,7 +183,7 @@ out:
 static ssize_t lprocfs_fops_write(struct file *f, const char __user *buf, size_t size, loff_t *ppos)
 {
         struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
-        int rc = 0;
+        int rc = -EIO;
 
         LPROCFS_ENTRY();
         if (!dp->deleted && dp->write_proc)