netdev - [patch for 2.6.27? 05/10] ehea: fix DLPAR memory handling

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Message-Id: <200809222110.m8MLAJJ8029885@imap1.linux-foundation.org>
Date:	Mon, 22 Sep 2008 14:10:19 -0700
From:	akpm@...ux-foundation.org
To:	jeff@...zik.org
Cc:	netdev@...r.kernel.org, akpm@...ux-foundation.org,
	hannes.hering@....de, hering2@...ibm.com
Subject: [patch for 2.6.27? 05/10] ehea: fix DLPAR memory handling

From: Hannes Hering <hannes.hering@....de>

The ehea busmap must be allocated only once in the first of many calls of the
ehea_create_busmap_callback.

Signed-off-by: Hannes Hering <hering2@...ibm.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---

 drivers/net/ehea/ehea_qmr.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff -puN drivers/net/ehea/ehea_qmr.c~ehea-fix-dlpar-memory-handling drivers/net/ehea/ehea_qmr.c
--- a/drivers/net/ehea/ehea_qmr.c~ehea-fix-dlpar-memory-handling
+++ a/drivers/net/ehea/ehea_qmr.c
@@ -595,7 +595,8 @@ static int ehea_create_busmap_callback(u
 	end_section = start_section + ((nr_pages * PAGE_SIZE) / EHEA_SECTSIZE);
 	mr_len = *(unsigned long *)arg;
 
-	ehea_bmap = kzalloc(sizeof(struct ehea_bmap), GFP_KERNEL);
+	if (!ehea_bmap)
+		ehea_bmap = kzalloc(sizeof(struct ehea_bmap), GFP_KERNEL);
 	if (!ehea_bmap)
 		return -ENOMEM;
 
_
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