From: K. Y. Srinivasan <kys@microsoft.com>
Date: Wed, 6 Feb 2013 13:15:28 +0000 (-0800)
Subject: storvsc: Initialize the sglist
X-Git-Tag: v3.2.41~76
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=4dd30e2ee429fe6b53ccd2693282bc3faa12c6dc

storvsc: Initialize the sglist

commit 9d2696e658ef4f209955ddaa987d43f1a1bd81a1 upstream.

Properly initialize scatterlist before using it.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index abc5ac568ab2..8960f1a73546 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -815,6 +815,7 @@ static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl,
 	if (!bounce_sgl)
 		return NULL;
 
+	sg_init_table(bounce_sgl, num_pages);
 	for (i = 0; i < num_pages; i++) {
 		page_buf = alloc_page(GFP_ATOMIC);
 		if (!page_buf)