linux-kernel - [PATCH] neaten lguest boot code (again)

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Message-Id: <1181097459.14054.100.camel@localhost.localdomain>
Date:	Wed, 06 Jun 2007 12:37:39 +1000
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] neaten lguest boot code (again)

(This cleanup seems to have gotten lost in rc3-mm1?  It was in rc2-mm1
called lguest-the-host-code-update-for-mm-simplify-boot_params.patch)

Andrew patched up lguest after the boot parameters became a proper
structure, but in fact it can be considerably neatened.

Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
---
 drivers/lguest/lguest.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

===================================================================
--- a/drivers/lguest/lguest.c
+++ b/drivers/lguest/lguest.c
@@ -444,8 +444,7 @@ __init void lguest_init(void *boot)
 {
 	/* Copy boot parameters first. */
 	memcpy(&boot_params, boot, PARAM_SIZE);
-	memcpy(boot_command_line,
-	       __va(*(unsigned long *)((void *)&boot_params + NEW_CL_POINTER)),
+	memcpy(boot_command_line, __va(boot_params.hdr.cmd_line_ptr),
 	       COMMAND_LINE_SIZE);
 
 	paravirt_ops.name = "lguest";


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