[Xen-changelog] [xen-unstable] blktap2: Fix uninitialised value error.

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir@xxxxxxx>
# Date 1336645319 -3600
# Node ID cb82b5aa73bd1fbc36920afb2dbaf6207b8aa0b4
# Parent  83a02f225bde5ca7c51a483381cfc4ce5eae9800
blktap2: Fix uninitialised value error.

Signed-off-by: Keir Fraser <keir@xxxxxxx>
---


diff -r 83a02f225bde -r cb82b5aa73bd tools/blktap2/drivers/block-qcow.c
--- a/tools/blktap2/drivers/block-qcow.c        Thu May 10 11:20:04 2012 +0100
+++ b/tools/blktap2/drivers/block-qcow.c        Thu May 10 11:21:59 2012 +0100
@@ -1428,7 +1428,7 @@ int tdqcow_get_parent_id(td_driver_t *dr
 {
        off_t off;
        char *buf, *filename;
-       int len, secs, type, err = -EINVAL;
+       int len, secs, type = 0, err = -EINVAL;
        struct tdqcow_state *child  = (struct tdqcow_state *)driver->data;
 
        if (!child->backing_file_offset)

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