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

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Date:	Tue, 31 Jul 2007 00:28:19 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	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>

---

--- 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;
-
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