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  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]
Date:	Mon, 28 Jul 2014 20:54:58 +0530
From:	Himangi Saraogi <himangi774@...il.com>
To:	David Howells <dhowells@...hat.com>, linux-afs@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc:	julia.lawall@...6.fr
Subject: [PATCH] afs: delete double assignment

A simplified version of Coccinelle semantic match that finds this problem is as
follows:

// <smpl>
@@
expression i;
@@

*i = ...;
 i = ...;
// </smpl>

Signed-off-by: Himangi Saraogi <himangi774@...il.com>
---
Should the second assignment is each case be a |= ?
 fs/afs/main.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/afs/main.c b/fs/afs/main.c
index 42dd2e4..a2f5a16 100644
--- a/fs/afs/main.c
+++ b/fs/afs/main.c
@@ -54,13 +54,10 @@ static int __init afs_get_client_UUID(void)
 	uuidtime += AFS_UUID_TO_UNIX_TIME;
 	afs_uuid.time_low = uuidtime;
 	afs_uuid.time_mid = uuidtime >> 32;
-	afs_uuid.time_hi_and_version = (uuidtime >> 48) & AFS_UUID_TIMEHI_MASK;
 	afs_uuid.time_hi_and_version = AFS_UUID_VERSION_TIME;
 
 	get_random_bytes(&clockseq, 2);
 	afs_uuid.clock_seq_low = clockseq;
-	afs_uuid.clock_seq_hi_and_reserved =
-		(clockseq >> 8) & AFS_UUID_CLOCKHI_MASK;
 	afs_uuid.clock_seq_hi_and_reserved = AFS_UUID_VARIANT_STD;
 
 	_debug("AFS UUID: %08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
-- 
1.9.1

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

Powered by blists - more mailing lists