[Xen-devel] [PATCH 3/3] xen-blkfront: free resources if xlvbd_alloc_gendisk fails

[Bob Liu <bob.liu@xxxxxxxxxx>]

Current code forgets to free resources in the failure path of
xlvbd_alloc_gendisk(), this patch fix it.

Signed-off-by: Bob Liu <bob.liu@xxxxxxxxxx>
---
 drivers/block/xen-blkfront.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index d5ed60b..d8429d4 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -2446,7 +2446,7 @@ static void blkfront_connect(struct blkfront_info *info)
        if (err) {
                xenbus_dev_fatal(info->xbdev, err, "xlvbd_add at %s",
                                 info->xbdev->otherend);
-               return;
+               goto fail;
        }
 
        xenbus_switch_state(info->xbdev, XenbusStateConnected);
@@ -2459,6 +2459,11 @@ static void blkfront_connect(struct blkfront_info *info)
        add_disk(info->gd);
 
        info->is_ready = 1;
+       return;
+
+fail:
+       blkif_free(info, 0);
+       return;
 }
 
 /**
-- 
1.7.10.4


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