linux-kernel - [PATCH] alloc_vmap

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Message-ID: <20090504163731.3675ea87@rwuerthntp>
Date:	Mon, 4 May 2009 16:37:31 +0200
From:	Ralph Wuerthner <ralphw@...ux.vnet.ibm.com>
To:	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH] alloc_vmap_area: fix memory leak

[PATCH] alloc_vmap_area: fix memory leak

From: Ralph Wuerthner <ralphw@...ux.vnet.ibm.com>

If alloc_vmap_area() fails the allocated struct vmap_area has to be
freed.

Signed-off-by: Ralph Wuerthner <ralphw@...ux.vnet.ibm.com>

---
 mm/vmalloc.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6/mm/vmalloc.c
===================================================================
--- linux-2.6.orig/mm/vmalloc.c
+++ linux-2.6/mm/vmalloc.c
@@ -402,6 +402,7 @@ overflow:
 			printk(KERN_WARNING
 				"vmap allocation for size %lu failed: "
 				"use vmalloc=<size> to increase size.\n", size);
+		kfree(va);
 		return ERR_PTR(-EBUSY);
 	}
 


-- 
Ralph Wuerthner
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