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linux/crypto/algif_hash.c
Herbert Xu 269230e7c5 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>
2011-06-30 07:44:06 +08:00

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