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authorSteffen Klassert <steffen.klassert@secunet.com>2010-07-20 08:51:25 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2010-07-26 14:13:58 +0800
commit7424713b83587006da72da84d7922471e366faba (patch)
treef6b8cf5db118494fc70be8f97309fd2434545223 /crypto
parentb89661dff525a46edb7ee8a4423b5212068c05c0 (diff)
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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>
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