linux-kernel - [PATCH 5/5] fs/ubifs/{sb,super}.c: drop negativity check on unsigned value

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 for Android: free password hash cracker in your pocket

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

Date:	Fri, 18 Jul 2014 18:35:25 +0300
From:	Andrey Utkin <andrey.krieger.utkin@...il.com>
To:	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	linux-mtd@...ts.infradead.org
Cc:	dcb314@...mail.com, adrian.hunter@...el.com, dedekind1@...il.com,
	Andrey Utkin <andrey.krieger.utkin@...il.com>
Subject: [PATCH 5/5] fs/ubifs/{sb,super}.c: drop negativity check on unsigned value

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=80581
Reported-by: David Binderman <dcb314@...mail.com>
Signed-off-by: Andrey Utkin <andrey.krieger.utkin@...il.com>
---
 fs/ubifs/sb.c    | 2 +-
 fs/ubifs/super.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c
index 4c37607..c2c3d13 100644
--- a/fs/ubifs/sb.c
+++ b/fs/ubifs/sb.c
@@ -447,7 +447,7 @@ static int validate_sb(struct ubifs_info *c, struct ubifs_sb_node *sup)
 		goto failed;
 	}
 
-	if (c->default_compr < 0 || c->default_compr >= UBIFS_COMPR_TYPES_CNT) {
+	if (c->default_compr >= UBIFS_COMPR_TYPES_CNT) {
 		err = 13;
 		goto failed;
 	}
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index e5bd068..9c59c10 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -75,7 +75,7 @@ static int validate_inode(struct ubifs_info *c, const struct inode *inode)
 		return 1;
 	}
 
-	if (ui->compr_type < 0 || ui->compr_type >= UBIFS_COMPR_TYPES_CNT) {
+	if (ui->compr_type >= UBIFS_COMPR_TYPES_CNT) {
 		ubifs_err("unknown compression type %d", ui->compr_type);
 		return 2;
 	}
-- 
1.8.5.5

--
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/