linux-kernel - [PATCH] ufs: sector

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>] [day] [month] [year] [list]

Message-ID: <20081115164712.GA25570@rain>
Date:	Sat, 15 Nov 2008 19:47:12 +0300
From:	Evgeniy Dushistov <dushistov@...l.ru>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Roel Kluin <roel.kluin@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] ufs: sector_t cannot be negative

From: Roel Kluin <roel.kluin@...il.com>

unsigned i_block,fragment cannot be negative

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
Signed-off-by: Evgeniy Dushistov <dushistov@...l.ru>

---

diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 39f8778..168e551 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -56,9 +56,7 @@ static int ufs_block_to_path(struct inode *inode, sector_t i_block, sector_t off
 
 
 	UFSD("ptrs=uspi->s_apb = %d,double_blocks=%ld \n",ptrs,double_blocks);
-	if (i_block < 0) {
-		ufs_warning(inode->i_sb, "ufs_block_to_path", "block < 0");
-	} else if (i_block < direct_blocks) {
+	if (i_block < direct_blocks) {
 		offsets[n++] = i_block;
 	} else if ((i_block -= direct_blocks) < indirect_blocks) {
 		offsets[n++] = UFS_IND_BLOCK;
@@ -440,8 +438,6 @@ int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buffer_head
 	lock_kernel();
 
 	UFSD("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment);
-	if (fragment < 0)
-		goto abort_negative;
 	if (fragment >
 	    ((UFS_NDADDR + uspi->s_apb + uspi->s_2apb + uspi->s_3apb)
 	     << uspi->s_fpbshift))
@@ -504,10 +500,6 @@ abort:
 	unlock_kernel();
 	return err;
 
-abort_negative:
-	ufs_warning(sb, "ufs_get_block", "block < 0");
-	goto abort;
-
 abort_too_big:
 	ufs_warning(sb, "ufs_get_block", "block > big");
 	goto abort;

-- 
/Evgeniy

--
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/