[Xen-changelog] do not BUG() if memory cannot be allocated, just wait.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User vhanquez@xxxxxxxxxxxxxxxxxxxxxxx
# Node ID e9e319c61a1e62c499ebc3efa2a083b96121d46d
# Parent  011d6df7697987007205ff59e6d14de41cd47702
do not BUG() if memory cannot be allocated, just wait.

Signed-off-by: Vincent Hanquez <vincent@xxxxxxxxxxxxx>

diff -r 011d6df76979 -r e9e319c61a1e 
linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c
--- a/linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c      Mon Feb 20 
17:06:36 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c      Mon Feb 20 
17:14:19 2006
@@ -726,8 +726,7 @@
        int j;
 
        /* Stage 1: Make a safe copy of the shadow state. */
-       copy = kmalloc(sizeof(info->shadow), GFP_KERNEL);
-       BUG_ON(copy == NULL);
+       copy = kmalloc(sizeof(info->shadow), GFP_KERNEL | __GFP_NOFAIL);
        memcpy(copy, info->shadow, sizeof(info->shadow));
 
        /* Stage 2: Set up free list. */

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