From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 24 Jul 2015 11:13:30 +0000 (+0200)
Subject: hwrng: core - correct error check of kthread_run call
X-Git-Tag: omap-for-v4.3/fixes-merge-window~147^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=17fb874dee093139923af8ed36061faa92cc8e79;p=pandora-kernel.git

hwrng: core - correct error check of kthread_run call

The kthread_run() function can return two different error values
but the hwrng core only checks for -ENOMEM. If the other error
value -EINTR is returned it is assigned to hwrng_fill and later
used on a kthread_stop() call which naturally crashes.

Cc: stable@vger.kernel.org
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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