From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Mon, 07 Feb 2011 16:59:58 +0000 Subject: [patch] [SCSI] hpsa: precedence bug in Message-Id: <20110207165957.GG4384@bicker> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "Stephen M. Cameron" Cc: "James E.J. Bottomley" , iss_storagedev@hp.com, linux-scsi@vger.kernel.org, kernel-janitors@vger.kernel.org '!' has higher precedence than '&'. CFGTBL_ChangeReq is 0x1 so the original code is equivelent to if (!doorbell_value) {... Signed-off-by: Dan Carpenter diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 959eeb2..f46f92a 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -3591,7 +3591,7 @@ static void __devinit hpsa_wait_for_mode_change_ack(struct ctlr_info *h) spin_lock_irqsave(&h->lock, flags); doorbell_value = readl(h->vaddr + SA5_DOORBELL); spin_unlock_irqrestore(&h->lock, flags); - if (!doorbell_value & CFGTBL_ChangeReq) + if (!(doorbell_value & CFGTBL_ChangeReq)) break; /* delay and try again */ usleep_range(10000, 20000);