linux/debian/patches/features/x86/hyperv/0023-Staging-hv-storvsc-Fix...

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1.3 KiB
Diff

From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: Thu, 1 Dec 2011 04:59:18 -0800
Subject: [PATCH 23/77] Staging: hv: storvsc: Fix a bug in
storvsc_command_completion()
commit a768a76d55c2798bbd86b81f50ef740312d69935 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/staging/hv/storvsc_drv.c | 5 ++---
1 file 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);
- }
}
/*
--
1.7.9.5