padata: Check for valid cpumasks

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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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Steffen Klassert 2010-07-20 08:51:25 +02:00 • committed by Herbert Xu

parent b89661dff5

commit 7424713b83

1 changed files with 1 additions and 1 deletions

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kernel/padata.c

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