From cf1279111686d9742cbc4145bc9d526c83f59fea Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 18 Jun 2011 20:35:23 -0400
Subject: [PATCH] proc_fd_permission() is doesn't need to bail out in RCU mode
nothing blocking except generic_permission()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/proc/base.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 14def991d9dd..8a84210ca080 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2169,11 +2169,7 @@ static const struct file_operations proc_fd_operations = {
*/
static int proc_fd_permission(struct inode *inode, int mask, unsigned int flags)
{
- int rv;
-
- if (flags & IPERM_FLAG_RCU)
- return -ECHILD;
- rv = generic_permission(inode, mask, flags, NULL);
+ int rv = generic_permission(inode, mask, flags, NULL);
if (rv == 0)
return 0;
if (task_pid(current) == proc_pid(inode))
--
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