From: David Engraf <david.engraf@sysgo.com>
Date: Fri, 8 Aug 2014 21:23:16 +0000 (-0700)
Subject: initramfs: add write error checks
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~116^2~84
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9687fd9101afaa1c4b1de7ffd2f9d7e53f45b29f;p=pandora-kernel.git

initramfs: add write error checks

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@sysgo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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