From: Jonathan Corbet <corbet@lwn.net>
Date: Tue, 1 Nov 2011 22:15:16 +0000 (+1100)
Subject: crypto: user - Fix rwsem leak in crypto_user
X-Git-Tag: v3.2-rc2~25^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb223c32b4d3ee593c8dce07e983680d06abe387;p=pandora-kernel.git

crypto: user - Fix rwsem leak in crypto_user

The list_empty case in crypto_alg_match() will return without calling
up_read() on crypto_alg_sem.  We could do the "goto out" routine, but the
function will clearly do the right thing with that test simply removed.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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