From: Andrew Morton <akpm@osdl.org>

git-nfs adds new /proc things.

Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 fs/proc/base.c |   18 +++++++++++-------
 1 files changed, 11 insertions(+), 7 deletions(-)

diff -puN fs/proc/base.c~proc-dont-lock-task_structs-indefinitely-git-nfs-fix fs/proc/base.c
--- devel/fs/proc/base.c~proc-dont-lock-task_structs-indefinitely-git-nfs-fix	2006-02-28 00:07:02.000000000 -0800
+++ devel-akpm/fs/proc/base.c	2006-02-28 00:16:07.000000000 -0800
@@ -626,17 +626,21 @@ static struct file_operations proc_mount
 extern struct seq_operations mountstats_op;
 static int mountstats_open(struct inode *inode, struct file *file)
 {
-	struct task_struct *task = proc_task(inode);
 	int ret = seq_open(file, &mountstats_op);
 
 	if (!ret) {
 		struct seq_file *m = file->private_data;
-		struct namespace *namespace;
-		task_lock(task);
-		namespace = task->namespace;
-		if (namespace)
-			get_namespace(namespace);
-		task_unlock(task);
+		struct namespace *namespace = NULL;
+		struct task_struct *task = get_proc_task(inode);
+
+		if (task) {
+			task_lock(task);
+			namespace = task->namespace;
+			if (namespace)
+				get_namespace(namespace);
+			task_unlock(task);
+			put_task_struct(task);
+		}
 
 		if (namespace)
 			m->private = namespace;
_