From: Julia Lawall <Julia.Lawall@lip6.fr>
Subject: [PATCH] use ERR_CAST
Date: Tue, 22 Jan 2013 12:29:25 +0100
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Cc: kernel-janitors@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>,
	linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
To: Herbert Xu <herbert@gondor.apana.org.au>
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ERR_CAST is more concise than PTR_ERR followed by ERR_PTR.  Using it
also occasionally removes the need for an err variable.