From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Wed, 23 Dec 2009 15:22:34 +0000 (+0800)
Subject: hwrng: core - Fix double unlock in rng_dev_read
X-Git-Tag: v2.6.33-rc3~45^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f5908267b67917b8cbd98b27fd2be9b5f62ec76f;p=pandora-kernel.git

hwrng: core - Fix double unlock in rng_dev_read

When the loop terminates with size == 0 in rng_dev_read we will
unlock the rng mutex twice.

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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