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authorHerbert Xu <herbert@gondor.apana.org.au>2011-06-27 15:45:19 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2011-06-30 07:44:06 +0800
commit269230e7c52623cda279010c8032a6f5b59caaaf (patch)
tree4acb3b9d9e4b1f7b3151d8e91e3201524140893a /arch/s390/crypto
parent36ca239b245dbdec3b0c94976e956226bdd4108c (diff)
crypto: algif_hash - Handle initial af_alg_make_sg error correctly
When the first call to af_alg_make_sg fails, we may return garbage instead of the real error. This patch fixes it by setting the error if "copied" is zero. Based on a patch by Jesper Juhl. Reported-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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