linux-kernel - [patch] cciss: unlock on error path

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Message-ID: <20100401155404.GD5265@bicker>
Date:	Thu, 1 Apr 2010 18:54:04 +0300
From:	Dan Carpenter <error27@...il.com>
To:	Mike Miller <mike.miller@...com>
Cc:	Jens Axboe <jens.axboe@...cle.com>,
	"Stephen M. Cameron" <scameron@...rdog.cce.hp.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	iss_storagedev@...com, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] cciss: unlock on error path

We take the spin_lock again in fail_all_cmds() so we need to unlock
here.

Signed-off-by: Dan Carpenter <error27@...il.com>
---
This was found by a static checker and I don't have the hardware myself.
Please review carefully.

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 9e3af30..eb5ff05 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -3341,6 +3341,7 @@ static irqreturn_t do_cciss_intr(int irq, void *dev_id)
 					printk(KERN_WARNING
 					       "cciss: controller cciss%d failed, stopping.\n",
 					       h->ctlr);
+					spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
 					fail_all_cmds(h->ctlr);
 					return IRQ_HANDLED;
 				}
--
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