From: fanchaoting <fanchaoting@cn.fujitsu.com>
Date: Wed, 27 Mar 2013 08:31:18 +0000 (+0800)
Subject: nfsd: remove /proc/fs/nfs when create /proc/fs/nfs/exports error
X-Git-Tag: v3.10-rc1~6^2~42
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ff7c4b3693cbc7e938f49ed89e2f649a33f03ed1;p=profile%2Fivi%2Fkernel-x86-ivi.git

nfsd: remove /proc/fs/nfs when create /proc/fs/nfs/exports error

when create /proc/fs/nfs/exports error, we should remove /proc/fs/nfs,
if don't do it, it maybe cause Memory leak.

 Signed-off-by: fanchaoting <fanchaoting@cn.fujitsu.com>
 Reviewed-by: chendt.fnst <chendt.fnst@cn.fujitsu.com>

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index a830f33..68a4d32 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1111,8 +1111,10 @@ static int create_proc_exports_entry(void)
 		return -ENOMEM;
 	entry = proc_create("exports", 0, entry,
 				 &exports_proc_operations);
-	if (!entry)
+	if (!entry) {
+		remove_proc_entry("fs/nfs", NULL);
 		return -ENOMEM;
+	}
 	return 0;
 }
 #else /* CONFIG_PROC_FS */