From 0582f22ff1e7af274a77548725ed66d559721e5e Mon Sep 17 00:00:00 2001
From: fanyong <fanyong>
Date: Tue, 20 May 2008 01:59:10 +0000
Subject: [PATCH] Branch HEAD b=15828 i=adilger i=umka
return "-EIO" when write to read only proc interface which "write_proc" is NULL.
---
lustre/obdclass/lprocfs_status.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lustre/obdclass/lprocfs_status.c b/lustre/obdclass/lprocfs_status.c
index 608af88af4..afb48f0ea0 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)
--
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