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From: "Stephen M. Cameron" <scameron@beardog.cce.hp.com>
To: axboe@kernel.dk
Cc: akpm@linux-foundation.org, mikem@beardog.cce.hp.com,
	linux-kernel@vger.kernel.org, brace@beardog.cce.hp.com
Subject: [PATCH 09/26] cciss: fix leak of ioremapped memory
Date: Mon, 19 Jul 2010 13:45:26 -0500	[thread overview]
Message-ID: <20100719184526.7908.43912.stgit@beardog.cce.hp.com> (raw)
In-Reply-To: <20100719184141.7908.26971.stgit@beardog.cce.hp.com>

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

cciss: fix leak of ioremapped memory
in cciss_pci_init error path.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
---
 drivers/block/cciss.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index c297d31..b702471 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4114,6 +4114,10 @@ static int __devinit cciss_pci_init(ctlr_info_t *c)
 	if (err)
 		goto err_out_free_res;
 	c->vaddr = remap_pci_mem(c->paddr, 0x250);
+	if (!c->vaddr) {
+		err = -ENOMEM;
+		goto err_out_free_res;
+	}
 	err = cciss_wait_for_board_ready(c);
 	if (err)
 		goto err_out_free_res;
@@ -4198,6 +4202,12 @@ err_out_free_res:
 	 * Deliberately omit pci_disable_device(): it does something nasty to
 	 * Smart Array controllers that pci_enable_device does not undo
 	 */
+	if (c->transtable)
+		iounmap(c->transtable);
+	if (c->cfgtable)
+		iounmap(c->cfgtable);
+	if (c->vaddr)
+		iounmap(c->vaddr);
 	pci_release_regions(c->pdev);
 	return err;
 }
@@ -4745,6 +4755,8 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev)
 		pci_disable_msi(hba[i]->pdev);
 #endif				/* CONFIG_PCI_MSI */
 
+	iounmap(hba[i]->transtable);
+	iounmap(hba[i]->cfgtable);
 	iounmap(hba[i]->vaddr);
 
 	pci_free_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(CommandList_struct),


  parent reply	other threads:[~2010-07-19 18:44 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-19 18:44 [PATCH 00/26] cciss updates July 19, 2010 Stephen M. Cameron
2010-07-19 18:44 ` [PATCH 01/26] cciss: Set the performant mode bit in the scsi half of the driver Stephen M. Cameron
2010-07-19 18:44 ` [PATCH 02/26] cciss: save pdev pointer in per hba structure early to avoid passing it around so much Stephen M. Cameron
2010-07-19 18:44 ` [PATCH 03/26] cciss: factor out cciss_lookup_board_id Stephen M. Cameron
2010-07-19 18:45 ` [PATCH 04/26] cciss: factor out cciss_board_disabled Stephen M. Cameron
2010-07-19 18:45 ` [PATCH 05/26] cciss: remove board_id parameter from cciss_interrupt_mode() Stephen M. Cameron
2010-07-19 18:45 ` [PATCH 06/26] cciss: factor out cciss_find_memory_BAR() Stephen M. Cameron
2010-07-19 18:45 ` [PATCH 07/26] cciss: factor out cciss_wait_for_board_ready() Stephen M. Cameron
2010-07-19 18:45 ` [PATCH 08/26] cciss: factor out cciss_find_cfgtables Stephen M. Cameron
2010-07-19 18:45 ` Stephen M. Cameron [this message]
2010-07-19 18:45 ` [PATCH 10/26] cciss: factor out cciss_find_board_params Stephen M. Cameron
2010-07-19 18:45 ` [PATCH 11/26] cciss: factor out CISS_signature_present() Stephen M. Cameron
2010-07-19 18:45 ` [PATCH 12/26] cciss: factor out cciss_enable_scsi_prefetch() Stephen M. Cameron
2010-07-19 18:45 ` [PATCH 13/26] cciss: factor out cciss_p600_dma_prefetch_quirk() Stephen M. Cameron
2010-07-19 18:45 ` [PATCH 14/26] cciss: cleanup some debug ifdefs Stephen M. Cameron
2010-07-19 18:45 ` [PATCH 15/26] cciss: make cciss_put_controller_into_performant_mode as __devinit Stephen M. Cameron
2010-07-19 18:46 ` [PATCH 16/26] cciss: factor out cciss_wait_for_mode_change_ack() Stephen M. Cameron
2010-07-19 18:46 ` [PATCH 17/26] cciss: factor out cciss_enter_performant_mode Stephen M. Cameron
2010-07-19 18:46 ` [PATCH 18/26] cciss: factor out cciss_find_cfg_addrs Stephen M. Cameron
2010-07-19 18:46 ` [PATCH 19/26] cciss: factor out cciss_reset_devices() Stephen M. Cameron
2010-07-19 18:46 ` [PATCH 20/26] cciss: fix hard reset code Stephen M. Cameron
2010-07-19 18:46 ` [PATCH 21/26] cciss: sanitize max commands Stephen M. Cameron
2010-07-19 18:46 ` [PATCH 22/26] cciss: forbid hard reset of 640x boards Stephen M. Cameron
2010-07-19 18:46 ` [PATCH 23/26] cciss: use consistent variable names Stephen M. Cameron
2010-07-19 18:46 ` [PATCH 24/26] cciss: separate cmd_alloc() and cmd_special_alloc() Stephen M. Cameron
2010-07-19 18:46 ` [PATCH 25/26] cciss: change printks to dev_warn, etc Stephen M. Cameron
2010-07-19 18:46 ` [PATCH 26/26] cciss: cleanup interrupt_not_for_us Stephen M. Cameron
2010-07-21  2:05 ` [PATCH 00/26] cciss updates July 19, 2010 Jens Axboe

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