linux-ext4 - [PATCH 1/6] ext4: remove unnecessary var in ext4_ext_insert

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1321495405-9583-1-git-send-email-xiaoqiangnk@gmail.com>
Date:	Thu, 17 Nov 2011 10:03:20 +0800
From:	Yongqiang Yang <xiaoqiangnk@...il.com>
To:	tytso@....edu
Cc:	linux-ext4@...r.kernel.org, Yongqiang Yang <xiaoqiangnk@...il.com>
Subject: [PATCH 1/6] ext4: remove unnecessary var in ext4_ext_insert_extent

Var(uninitialized) is not necessary.  As the comment says,
two extent are either initialized or uninitialized.  So
checking newext is ok.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@...il.com>
---
 fs/ext4/extents.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 61fa9e1..6b4a558 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1665,7 +1665,6 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
 	struct ext4_ext_path *npath = NULL;
 	int depth, len, err;
 	ext4_lblk_t next;
-	unsigned uninitialized = 0;
 	int flags = 0;
 
 	if (unlikely(ext4_ext_get_actual_len(newext) == 0)) {
@@ -1698,11 +1697,9 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
 		 * both extents are uninitialized, or both aren't. Thus we
 		 * need to check only one of them here.
 		 */
-		if (ext4_ext_is_uninitialized(ex))
-			uninitialized = 1;
 		ex->ee_len = cpu_to_le16(ext4_ext_get_actual_len(ex)
 					+ ext4_ext_get_actual_len(newext));
-		if (uninitialized)
+		if (ext4_ext_is_uninitialized(newext))
 			ext4_ext_mark_uninitialized(ex);
 		eh = path[depth].p_hdr;
 		nearex = ex;
-- 
1.7.5.1

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html