crypto: aes-ni - Don't print message with KERN_ERR on old system

When the aes-intel module is loaded on a system that does not have the
AES instructions, it prints

    Intel AES-NI instructions are not detected.

at level KERN_ERR.  Since aes-intel is aliased to "aes" it will be tried
whenever anything uses AES and spam the console.  This doesn't match
existing practice for how to handle "no hardware" when initializing a
module, so downgrade the message to KERN_INFO.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index c580c5ec1cad9d155fd019040bc71dd03871bdaa..d3ec8d588d4b12b1d2b5085b88d1cd5a496bf543 100644 (file)
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -636,7 +636,7 @@ static int __init aesni_init(void)
        int err;
 
        if (!cpu_has_aes) {
-               printk(KERN_ERR "Intel AES-NI instructions are not detected.\n");
+               printk(KERN_INFO "Intel AES-NI instructions are not detected.\n");
                return -ENODEV;
        }
        if ((err = crypto_register_alg(&aesni_alg)))