From d0f29485686d9d1c4f31240953a742d5dd4fdb72 Mon Sep 17 00:00:00 2001
From: Brian King <brking@linux.vnet.ibm.com>
Date: Wed, 17 Jan 2007 12:32:28 -0600
Subject: [PATCH] libata: Initialize qc->pad_len

Initialize qc->pad_len for each new command. This ensures
that pad_len is not set to a stale value for zero data
length commands.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---
 include/linux/libata.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 65d318746ac6..f7f268e38749 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1151,6 +1151,7 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc)
 	qc->nbytes = qc->curbytes = 0;
 	qc->n_elem = 0;
 	qc->err_mask = 0;
+	qc->pad_len = 0;
 
 	ata_tf_init(qc->dev, &qc->tf);
 
-- 
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