From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Tue, 20 Jul 2010 06:51:25 +0000 (+0200)
Subject: padata: Check for valid cpumasks
X-Git-Tag: v2.6.36-rc1~568^2~9
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7424713b83587006da72da84d7922471e366faba;p=pandora-kernel.git

padata: Check for valid cpumasks

Now that we allow to change the cpumasks from userspace, we have
to check for valid cpumasks in padata_do_parallel. This patch adds
the necessary check. This fixes a division by zero crash if the
parallel cpumask contains no active cpu.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

Reading git-diff-tree failed