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8700ce07c5
Fix error handling in cc_map_hash_request_update where sg_nents_for_len
return value was assigned to u32, converting negative errors to large
positive values before passing to sg_copy_to_buffer.
Check sg_nents_for_len return value and propagate errors before
assigning to areq_ctx->in_nents.
Fixes: b7ec8530687a ("crypto: ccree - use std api when possible")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>