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From: "K. Y. Srinivasan" <kys@microsoft.com>
To: gregkh@suse.de, linux-kernel@vger.kernel.org,
	devel@linuxdriverproject.org, virtualization@lists.osdl.org,
	ohering@suse.com, James.Bottomley@HansenPartnership.com,
	hch@infradead.org, linux-scsi@vger.kernel.org
Cc: "K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>
Subject: [PATCH 3/5] Staging: hv: storvsc: Fix a bug in storvsc_command_completion()
Date: Thu,  1 Dec 2011 04:59:18 -0800	[thread overview]
Message-ID: <1322744360-13067-3-git-send-email-kys@microsoft.com> (raw)
In-Reply-To: <1322744360-13067-1-git-send-email-kys@microsoft.com>

Fix a bug in storvsc_command_completion() that leaks memory when scatter/gather
lists are used on the "write" side.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
---
 drivers/staging/hv/storvsc_drv.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 14ecb69..8dafe52 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -1123,13 +1123,12 @@ static void storvsc_command_completion(struct hv_storvsc_request *request)
 
 	vm_srb = &request->vstor_packet.vm_srb;
 	if (cmd_request->bounce_sgl_count) {
-		if (vm_srb->data_in == READ_TYPE) {
+		if (vm_srb->data_in == READ_TYPE)
 			copy_from_bounce_buffer(scsi_sglist(scmnd),
 					cmd_request->bounce_sgl,
 					scsi_sg_count(scmnd));
-			destroy_bounce_buffer(cmd_request->bounce_sgl,
+		destroy_bounce_buffer(cmd_request->bounce_sgl,
 					cmd_request->bounce_sgl_count);
-		}
 	}
 
 	/*
-- 
1.7.4.1

  parent reply	other threads:[~2011-12-01 12:59 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-01 12:58 [PATCH 0000/0005] Staging: hv: storvsc cleanup K. Y. Srinivasan
2011-12-01 12:59 ` [PATCH 1/5] Staging: hv: storvsc: Disable clustering K. Y. Srinivasan
2011-12-01 12:59   ` [PATCH 2/5] Staging: hv: storvsc: Cleanup storvsc_device_alloc() K. Y. Srinivasan
2011-12-01 12:59   ` K. Y. Srinivasan [this message]
2011-12-01 12:59   ` [PATCH 4/5] Staging: hv: storvsc: Fix a bug in copy_from_bounce_buffer() K. Y. Srinivasan
2011-12-01 21:03     ` Dan Carpenter
2011-12-01 21:07       ` KY Srinivasan
2011-12-01 21:11         ` Dan Carpenter
2011-12-01 21:13           ` KY Srinivasan
2011-12-01 12:59   ` [PATCH 5/5] Staging: hv: storvsc: Implement per device memory pools K. Y. Srinivasan

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