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commitce4e45842dupstream. Fixes the following sparse warnings: drivers/crypto/mxs-dcp.c:39:15: warning: symbol 'sha1_null_hash' was not declared. Should it be static? drivers/crypto/mxs-dcp.c:43:15: warning: symbol 'sha256_null_hash' was not declared. Should it be static? Fixes:c709eebaf5("crypto: mxs-dcp - Fix SHA null hashes and output length") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Cc: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>