linux-kernel - [2.6 patch] drivers/scsi/imm.c: fix check-after-use

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: <20070827213005.GM26410@stusta.de>
Date:	Mon, 27 Aug 2007 23:30:05 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	James.Bottomley@...elEye.com
Cc:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [2.6 patch] drivers/scsi/imm.c: fix check-after-use

The Coverity checker spotted that we have already oops'ed if "cmd"
was NULL.

Since "cmd" being NULL doesn't seem to be possible at this point this 
patch removes the NULL check.

Signed-off-by: Adrian Bunk <bunk@...sta.de>

---

This patch has been sent on:
- 31 Jul 2007

--- linux-2.6.23-rc1-mm1/drivers/scsi/imm.c.old	2007-07-30 13:58:00.000000000 +0200
+++ linux-2.6.23-rc1-mm1/drivers/scsi/imm.c	2007-07-30 13:58:24.000000000 +0200
@@ -740,10 +740,6 @@ static void imm_interrupt(struct work_st
 	struct Scsi_Host *host = cmd->device->host;
 	unsigned long flags;
 
-	if (!cmd) {
-		printk("IMM: bug in imm_interrupt\n");
-		return;
-	}
 	if (imm_engine(dev, cmd)) {
 		schedule_delayed_work(&dev->imm_tq, 1);
 		return;
-
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/