From: Marek Marczykowski <marma...@mimuw.edu.pl>
-------------------
This is a commit scheduled for the next v2.6.34 longterm release.
http://git.kernel.org/?p=linux/kernel/git/paulg/longterm-queue-2.6.34.git
If you see a problem with using this for longterm, please comment.
-------------------
commit 4352b47ab7918108b389a48d2163c9a4c2aaf139 upstream.
barrier variable is int, not long. This overflow caused another variable
override: "err" (in PV code) and "binfo" (in xenlinux code -
drivers/xen/blkfront/blkfront.c). The later caused incorrect device
flags (RO/removable etc).
Signed-off-by: Marek Marczykowski <marma...@mimuw.edu.pl>
Acked-by: Ian Campbell <ian.campb...@citrix.com>
[v1: Changed title]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
Signed-off-by: Paul Gortmaker <paul.gortma...@windriver.com>
---
drivers/block/xen-blkfront.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 82ed403..5d5e1ea 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -890,7 +890,7 @@ static void blkfront_connect(struct blkfront_info *info)
}
err = xenbus_gather(XBT_NIL, info->xbdev->otherend,
- "feature-barrier", "%lu", &info->feature_barrier,
+ "feature-barrier", "%d", &info->feature_barrier,
NULL);
if (err)
info->feature_barrier = 0;
--
1.7.12.rc2
--
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