linux-kernel - [PATCH] ATA: logical-bitwise and confusion in ahci_save_initial

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Date:	Sun, 09 Mar 2008 21:42:40 +0100
From:	Roel Kluin <12o3l@...cali.nl>
To:	Jeff Garzik <jgarzik@...ox.com>
CC:	linux-ide@...r.kernel.org, lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] ATA: logical-bitwise and confusion in ahci_save_initial_config()

logical-bitwise & confusion

Signed-off-by: Roel Kluin <12o3l@...cali.nl>
---
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 8a49835..1b73307 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -672,7 +672,7 @@ static void ahci_save_initial_config(struct pci_dev *pdev,
 		cap &= ~HOST_CAP_NCQ;
 	}
 
-	if ((cap && HOST_CAP_PMP) && (hpriv->flags & AHCI_HFLAG_NO_PMP)) {
+	if ((cap & HOST_CAP_PMP) && (hpriv->flags & AHCI_HFLAG_NO_PMP)) {
 		dev_printk(KERN_INFO, &pdev->dev,
 			   "controller can't do PMP, turning off CAP_PMP\n");
 		cap &= ~HOST_CAP_PMP;
--
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