From: Miklos Szeredi <mszeredi@suse.cz>
Date: Tue, 24 Jun 2008 14:50:12 +0000 (+0200)
Subject: [patch 1/5] vfs: truncate: dont check immutable twice
X-Git-Tag: v2.6.27-rc1~73^2~28
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c82e42da8a6b2f3a85dc4d4278cb8238702f8f64;p=linux-2.6

[patch 1/5] vfs: truncate: dont check immutable twice

vfs_permission(MAY_WRITE) already checked for the inode being
immutable, so no need to repeat it.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Acked-by: Christoph Hellwig <hch@infradead.org>
---

diff --git a/fs/open.c b/fs/open.c
index bb98d2fe80..b2e4c93aed 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -256,7 +256,7 @@ static long do_sys_truncate(const char __user * path, loff_t length)
 		goto mnt_drop_write_and_out;
 
 	error = -EPERM;
-	if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
+	if (IS_APPEND(inode))
 		goto mnt_drop_write_and_out;
 
 	error = get_write_access(inode);