linux-kernel - [PATCH] Force same size of struct autofs_v5_packet on x86 and x86

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Message-ID: <1316167604.6545.84.camel@localhost.localdomain>
Date:	Fri, 16 Sep 2011 12:06:38 +0200
From:	Thomas Meyer <thomas@...3r.de>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	viro@...iv.linux.org.uk, dhowells@...hat.com, raven@...maw.net
Subject: [PATCH] Force same size of struct autofs_v5_packet on x86 and x86_64

autofs_v5_packet is 300 bytes on x86 and 304 bytes on x86_64.
This difference is wrong and leads to a hang in systemd when running
a x86 userspace on an x86_64 kernel.

Signed-off-by: Thomas Meyer <thomas@...3r>
---
 include/linux/auto_fs4.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/auto_fs4.h b/include/linux/auto_fs4.h
index e02982f..4be222a 100644
--- a/include/linux/auto_fs4.h
+++ b/include/linux/auto_fs4.h
@@ -138,7 +138,7 @@ struct autofs_v5_packet {
 	__u32 tgid;
 	__u32 len;
 	char name[NAME_MAX+1];
-};
+} __attribute__ ((packed));
 
 typedef struct autofs_v5_packet autofs_packet_missing_indirect_t;
 typedef struct autofs_v5_packet autofs_packet_expire_indirect_t;
-- 
1.7.6.2


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