linux-kernel - [PATCH] add error checks to initramfs

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Message-ID: <53C8E1D6.8020906@sysgo.com>
Date:	Fri, 18 Jul 2014 10:59:02 +0200
From:	David Engraf <david.engraf@...go.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	"Daniel M. Weeks" <dan@...weeks.net>,
	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] add error checks to initramfs

On a system with low memory extracting the initramfs may fail. If this 
happens the user gets "Failed to execute /init" instead of an initramfs 
error.

Check return value of sys_write and call error() when the write was 
incomplete or failed.

Signed-off-by: David Engraf <david.engraf@...go.com>

View attachment "initramfs_error_check.patch" of type "text/x-diff" (682 bytes)