From: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com>
Date: Thu, 25 Feb 2016 16:54:20 +0000 (-0300)
Subject: ipr: Fix regression when loading firmware
X-Git-Tag: v3.2.79~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7e9f9e9eadd767c38a27742f11fe4b78e2dc0042;p=pandora-kernel.git

ipr: Fix regression when loading firmware

commit 21b81716c6bff24cda52dc75588455f879ddbfe9 upstream.

Commit d63c7dd5bcb9 ("ipr: Fix out-of-bounds null overwrite") removed
the end of line handling when storing the update_fw sysfs attribute.
This changed the userpace API because it started refusing writes
terminated by a line feed, which broke the update tools we already have.

This patch re-adds that handling, so both a write terminated by a line
feed or not can make it through with the update.

Fixes: d63c7dd5bcb9 ("ipr: Fix out-of-bounds null overwrite")
Signed-off-by: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com>
Cc: Insu Yun <wuninsu@gmail.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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