From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 19 Jun 2011 00:11:43 +0000 (-0400)
Subject: coda_ioctl_permission() is safe in RCU mode
X-Git-Tag: v3.0-rc4~6^2~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6b419951f1e44c8a46fccfc6551eca9a9980acd6;p=platform%2Fupstream%2Fkernel-adaptation-pc.git

coda_ioctl_permission() is safe in RCU mode

return (mask & MAY_EXEC) ? -EACCES : 0; is non-blocking...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c
index 6cbb3af..cb140ef 100644
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -43,8 +43,6 @@ const struct file_operations coda_ioctl_operations = {
 /* the coda pioctl inode ops */
 static int coda_ioctl_permission(struct inode *inode, int mask, unsigned int flags)
 {
-	if (flags & IPERM_FLAG_RCU)
-		return -ECHILD;
 	return (mask & MAY_EXEC) ? -EACCES : 0;
 }