linux-kernel - [PATCH 3/6] cciss: Mask off error bits of c->busaddr in cmd_special_free when calling pci_free

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Message-ID: <20110222201426.21961.97588.stgit@beardog.cce.hp.com>
Date:	Tue, 22 Feb 2011 14:14:26 -0600
From:	"Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
To:	axboe@...nel.dk
Cc:	mikem@...rdog.cce.hp.com, akpm@...ux-foundation.org,
	thenzl@...hat.com, linux-kernel@...r.kernel.org,
	smcameron@...oo.com
Subject: [PATCH 3/6] cciss: Mask off error bits of c->busaddr in
	cmd_special_free when calling pci_free_consistent

From: Stephen M. Cameron <scameron@...rdog.cce.hp.com>

Signed-off-by: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
---
 drivers/block/cciss.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 2e832b0..03cead6 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -193,7 +193,7 @@ static int __devinit cciss_find_cfg_addrs(struct pci_dev *pdev,
 	u64 *cfg_offset);
 static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev,
 	unsigned long *memory_bar);
-
+static inline u32 cciss_tag_discard_error_bits(ctlr_info_t *h, u32 tag);
 
 /* performant mode helper functions */
 static void  calc_bucket_map(int *bucket, int num_buckets, int nsgs,
@@ -973,8 +973,8 @@ static void cmd_special_free(ctlr_info_t *h, CommandList_struct *c)
 	temp64.val32.upper = c->ErrDesc.Addr.upper;
 	pci_free_consistent(h->pdev, sizeof(ErrorInfo_struct),
 			    c->err_info, (dma_addr_t) temp64.val);
-	pci_free_consistent(h->pdev, sizeof(CommandList_struct),
-			    c, (dma_addr_t) c->busaddr);
+	pci_free_consistent(h->pdev, sizeof(CommandList_struct), c,
+		(dma_addr_t) cciss_tag_discard_error_bits(h, (u32) c->busaddr));
 }
 
 static inline ctlr_info_t *get_host(struct gendisk *disk)

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